{"id":159,"date":"2026-01-27T01:42:00","date_gmt":"2026-01-27T01:42:00","guid":{"rendered":"https:\/\/doctorp4physics.co.uk\/?page_id=159"},"modified":"2026-07-08T12:24:12","modified_gmt":"2026-07-08T12:24:12","slug":"forces-in-action","status":"publish","type":"page","link":"https:\/\/doctorp4physics.co.uk\/es\/forces-in-action\/","title":{"rendered":"3.2 Forces in Action"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; specialty=&#8221;on&#8221; padding_top_1=&#8221;50px&#8221; padding_bottom_1=&#8221;30px&#8221; padding_bottom_2=&#8221;0px&#8221; padding_top_bottom_link_1=&#8221;false&#8221; padding_top_bottom_link_2=&#8221;false&#8221; padding_left_right_link_1=&#8221;false&#8221; padding_left_right_link_2=&#8221;false&#8221; padding_1_tablet=&#8221;0px||0px||true|false&#8221; padding_1_phone=&#8221;&#8221; padding_1_last_edited=&#8221;on|phone&#8221; admin_label=&#8221;Header&#8221; _builder_version=&#8221;4.16&#8243; background_color=&#8221;#f8f9fa&#8221; custom_padding=&#8221;||0px||false|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; specialty_columns=&#8221;2&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_row_inner _builder_version=&#8221;4.16&#8243; custom_margin=&#8221;||||false|false&#8221; custom_margin_last_edited=&#8221;off|tablet&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column_inner saved_specialty_column_type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_divider color=&#8221;#f9ce6e&#8221; divider_position=&#8221;center&#8221; divider_weight=&#8221;1px&#8221; _builder_version=&#8221;4.16&#8243; width=&#8221;120px&#8221; height=&#8221;7px&#8221; box_shadow_style=&#8221;preset7&#8243; box_shadow_horizontal=&#8221;40px&#8221; box_shadow_vertical=&#8221;0px&#8221; box_shadow_color=&#8221;#f9ce6e&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][et_pb_text _builder_version=&#8221;4.27.5&#8243; header_4_font=&#8221;PT Sans|700||on|||||&#8221; header_4_text_color=&#8221;#ffc107&#8243; header_4_font_size=&#8221;11px&#8221; header_4_letter_spacing=&#8221;1px&#8221; custom_margin=&#8221;-38px|||130px|false|false&#8221; custom_padding=&#8221;||||false|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h4>Topic<\/h4>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.5&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; header_font=&#8221;Playfair Display|700|||||||&#8221; header_font_size=&#8221;60px&#8221; header_line_height=&#8221;1.1em&#8221; header_font_size_tablet=&#8221;40px&#8221; header_font_size_phone=&#8221;30px&#8221; header_font_size_last_edited=&#8221;on|phone&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h1>Forces in Action<\/h1>\n<p>This unit examines the effects of forces on objects, covering equilibrium, dynamics, and pressure. Explore how to represent forces visually with free\u2011body diagrams, calculate moments and torque, and apply principles like Archimedes\u2019 buoyancy rule.<\/p>\n<p>[\/et_pb_text][et_pb_text quote_border_weight=&#8221;8px&#8221; quote_border_color=&#8221;#f9ce6e&#8221; _builder_version=&#8221;4.27.5&#8243; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_text_color=&#8221;#2A3749&#8243; header_2_font_size=&#8221;42px&#8221; header_2_line_height=&#8221;1.1em&#8221; header_3_font=&#8221;Playfair Display|700|||||||&#8221; header_3_font_size=&#8221;40px&#8221; header_3_line_height=&#8221;1.2em&#8221; custom_padding=&#8221;||||false|false&#8221; header_2_font_size_tablet=&#8221;38px&#8221; header_2_font_size_phone=&#8221;25px&#8221; header_2_font_size_last_edited=&#8221;on|desktop&#8221; header_3_font_size_tablet=&#8221;34px&#8221; header_3_font_size_phone=&#8221;24px&#8221; header_3_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<blockquote>\n<h3>Why Forces Matter<br \/>\nin Physics<\/h3>\n<\/blockquote>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.5&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#62748a&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; text_font_size_tablet=&#8221;&#8221; text_font_size_phone=&#8221;14px&#8221; text_font_size_last_edited=&#8221;on|desktop&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p dir=\"ltr\" class=\"CDt4Ke zfr3Q\">The ancient Greeks believed there were two fundamental forces &#8211; an attractive force they named &#8220;love&#8221; and a repulsive force they named &#8220;strife&#8221;. Our current understanding is that there are four forces of nature: the electromagnetic (it turns out electrostatic and magnetic are really the same thing) and gravitational are the most noticeable, as these dictate our everyday interactions. However, holding the nucleus together are the strong and weak nuclear forces that are only felt on length scales unfamiliar to us.\u00a0<\/p>\n<p>[\/et_pb_text][et_pb_text _builder_version=&#8221;4.27.5&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#62748a&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; text_font_size_tablet=&#8221;&#8221; text_font_size_phone=&#8221;14px&#8221; text_font_size_last_edited=&#8221;on|desktop&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p dir=\"ltr\" class=\"CDt4Ke zfr3Q\">Forces tell us how things interact and will allow us to determine how the universe will evolve, how to build skyscrapers and faster or more efficient vehicles. They even tell electrons how to move in computer chips. However, much is still unknown &#8211; why is gravity so much weaker than the other three? If gravity is only attractive, why is the expansion of the universe accelerating?<\/p>\n<p>[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_image src=&#8221;https:\/\/doctorp4physics.co.uk\/wp-content\/uploads\/2026\/01\/tutor-09.png&#8221; _builder_version=&#8221;4.27.7&#8243; positioning=&#8221;absolute&#8221; vertical_offset=&#8221;-10px&#8221; horizontal_offset=&#8221;-115px&#8221; z_index=&#8221;1&#8243; vertical_offset_tablet=&#8221;-60px&#8221; vertical_offset_phone=&#8221;&#8221; vertical_offset_last_edited=&#8221;on|phone&#8221; width=&#8221;100%&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_image src=&#8221;https:\/\/doctorp4physics.co.uk\/wp-content\/uploads\/2026\/07\/Leading.jpeg&#8221; title_text=&#8221;Die Hard v Aristotle&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_image align=&#8221;center&#8221; _builder_version=&#8221;4.27.7&#8243; max_height_tablet=&#8221;400px&#8221; max_height_phone=&#8221;&#8221; max_height_last_edited=&#8221;on|tablet&#8221; custom_margin=&#8221;|-10vw|0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_image src=&#8221;https:\/\/doctorp4physics.co.uk\/wp-content\/uploads\/2026\/01\/tutor-10.png&#8221; _builder_version=&#8221;4.16&#8243; positioning=&#8221;absolute&#8221; position_origin_a=&#8221;bottom_left&#8221; vertical_offset=&#8221;-33px&#8221; horizontal_offset=&#8221;-80px&#8221; width=&#8221;100%&#8221; scroll_vertical_motion_enable=&#8221;on&#8221; scroll_vertical_motion=&#8221;0|50|50|100|2|0|-2&#8243; scroll_rotating_enable=&#8221;on&#8221; scroll_rotating=&#8221;0|50|50|100|30\u00b0|0|-30\u00b0&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][\/et_pb_column][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; admin_label=&#8221;About&#8221; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.16&#8243; custom_margin=&#8221;||||false|false&#8221; custom_padding=&#8221;||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.5&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_font_size=&#8221;50px&#8221; header_2_line_height=&#8221;1.3em&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;24px&#8221; header_2_font_size_last_edited=&#8221;on|tablet&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Core Concepts<\/h2>\n<section class=\"elementor-element elementor-element-e69481b elementor-section-boxed elementor-section-height-default elementor-section-height-default elementor-section elementor-top-section\" data-id=\"e69481b\" data-element_type=\"section\">\n<div class=\"elementor-container elementor-column-gap-default\">\n<div class=\"elementor-row\">\n<div class=\"elementor-element elementor-element-7e6f417 elementor-column elementor-col-100 elementor-top-column\" data-id=\"7e6f417\" data-element_type=\"column\">\n<div class=\"elementor-column-wrap elementor-element-populated\">\n<div class=\"elementor-widget-wrap\">\n<div class=\"elementor-element elementor-element-e23c027 elementor-widget elementor-widget-text-editor\" data-id=\"e23c027\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n<div class=\"elementor-widget-container\">\n<div class=\"elementor-text-editor elementor-clearfix\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<p>[\/et_pb_text][et_pb_blurb title=&#8221;Force, Mass &#038; Weight&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#xe052;||divi||400&#8243; icon_color=&#8221;#007aff&#8221; icon_placement=&#8221;left&#8221; content_max_width=&#8221;800px&#8221; _builder_version=&#8221;4.27.5&#8243; header_font=&#8221;PT Sans|700|||||||&#8221; header_text_color=&#8221;#2a3749&#8243; header_font_size=&#8221;16px&#8221; header_line_height=&#8221;1.9em&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_blurb][et_pb_blurb title=&#8221;Centre of Mass&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#xe052;||divi||400&#8243; icon_color=&#8221;#007aff&#8221; icon_placement=&#8221;left&#8221; content_max_width=&#8221;800px&#8221; _builder_version=&#8221;4.27.5&#8243; header_font=&#8221;PT Sans|700|||||||&#8221; header_text_color=&#8221;#2a3749&#8243; header_font_size=&#8221;16px&#8221; header_line_height=&#8221;1.9em&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_blurb][et_pb_blurb title=&#8221;Free\u2011Body Diagrams&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#xe052;||divi||400&#8243; icon_color=&#8221;#007aff&#8221; icon_placement=&#8221;left&#8221; content_max_width=&#8221;800px&#8221; _builder_version=&#8221;4.27.5&#8243; header_font=&#8221;PT Sans|700|||||||&#8221; header_text_color=&#8221;#2a3749&#8243; header_font_size=&#8221;16px&#8221; header_line_height=&#8221;1.9em&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_blurb][et_pb_blurb title=&#8221;Drag &#038; Terminal Velocity&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#xe052;||divi||400&#8243; icon_color=&#8221;#007aff&#8221; icon_placement=&#8221;left&#8221; content_max_width=&#8221;800px&#8221; _builder_version=&#8221;4.27.5&#8243; header_font=&#8221;PT Sans|700|||||||&#8221; header_text_color=&#8221;#2a3749&#8243; header_font_size=&#8221;16px&#8221; header_line_height=&#8221;1.9em&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_blurb][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|phone&#8221; admin_label=&#8221;Call to Action&#8221; _builder_version=&#8221;4.16&#8243; background_color=&#8221;#007aff&#8221; width=&#8221;90%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;19px||19px||true|false&#8221; custom_padding_tablet=&#8221;60px||60px||true|false&#8221; custom_padding_phone=&#8221;40px||40px||true|false&#8221; border_radii=&#8221;on|30px|30px|30px|30px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.5&#8243; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_text_color=&#8221;#ffffff&#8221; header_2_font_size=&#8221;50px&#8221; header_2_line_height=&#8221;1.3em&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;24px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Force, mass and weight<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;2_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;0px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#ffffff&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; text_font_size_tablet=&#8221;&#8221; text_font_size_phone=&#8221;14px&#8221; text_font_size_last_edited=&#8221;on|desktop&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Blurb coming soon<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_tabs _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_tab title=&#8221;Seneca&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_tab][et_pb_tab title=&#8221;Learning Checklist&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Lewis Matheson has taken the specification and turned it into a bite-size student-friendly format. I recommend printing this out and having a learning checklist at the start of your folder for each section:<\/p>\n<p>OCR A &#8211; module 3 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_cc50f7f373e149ffa7afc5a3321a6479.pdf\">forces<\/a><\/p>\n<p>AQA &#8211; module 4 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_f977d0b7021547a68cdd5591d422d818.pdf\">mechanics and materials<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Isaac Science&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Sign up for a free account to Isaac Science and it&#8217;ll save and track your progress &#8211; working through these problems is necessary to secure that 30-40% of the paper that will be mathsy.<\/p>\n<p>GCSE Ch2.13 <a href=\"https:\/\/isaacscience.org\/question_decks#phys_book_gcse_ch_2_13\">Resultant Force and Acceleration<\/a><\/p>\n<p>GCSE Ch2.13A <a href=\"https:\/\/isaacscience.org\/question_decks#phys_book_gcse_ch_2_13_add\">Additional Resultant Force and Acceleration<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Simulations&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>A nice simulation from PhET:<\/p>\n<p><a href=\"https:\/\/phet.colorado.edu\/sims\/html\/forces-and-motion-basics\/latest\/forces-and-motion-basics_en.html\">Forces and motion: basics<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Physics Factsheets&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>I think these are fab, and hopefully your school has a subscription to them.\u00a0<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;A-level Physics Online &#8211; videos&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>See below for a quick selection of the relevant videos, you can find Lewis&#8217; full playlist for forces in action <a href=\"https:\/\/www.youtube.com\/watch?v=wBrJ30plBhw&amp;list=PLlDtVvefFYT-pPSxrBVzWI41QF68yCE1N\">here<\/a>.<\/p>\n<p>[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider_item admin_title=&#8221;Force, mass, acceleration and Newton&#8217;s laws&#8221; src=&#8221;youtube.com\/watch?v=uWLbs02wk1c&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][et_pb_video_slider_item admin_title=&#8221;mass and weight&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?v=r3lvzIKKaJg&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][\/et_pb_video_slider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_divider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|phone&#8221; admin_label=&#8221;Call to Action&#8221; _builder_version=&#8221;4.16&#8243; background_color=&#8221;#007aff&#8221; width=&#8221;90%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;19px||19px||true|false&#8221; custom_padding_tablet=&#8221;60px||60px||true|false&#8221; custom_padding_phone=&#8221;40px||40px||true|false&#8221; border_radii=&#8221;on|30px|30px|30px|30px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.5&#8243; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_text_color=&#8221;#ffffff&#8221; header_2_font_size=&#8221;50px&#8221; header_2_line_height=&#8221;1.3em&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;24px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Centre of Mass<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;2_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;0px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#ffffff&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; text_font_size_tablet=&#8221;&#8221; text_font_size_phone=&#8221;14px&#8221; text_font_size_last_edited=&#8221;on|desktop&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Blurb coming soon<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_tabs _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_tab title=&#8221;Seneca&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>2.2.3 Centre of Mass<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Learning Checklist&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Lewis Matheson has taken the specification and turned it into a bite-size student-friendly format. I recommend printing this out and having a learning checklist at the start of your folder for each section:<\/p>\n<p>OCR A &#8211; module 3 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_cc50f7f373e149ffa7afc5a3321a6479.pdf\">forces<\/a><\/p>\n<p>AQA &#8211; module 4 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_f977d0b7021547a68cdd5591d422d818.pdf\">mechanics and materials<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Isaac Science&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Sign up for a free account to Isaac Science and it&#8217;ll save and track your progress &#8211; working through these problems is necessary to secure that 30-40% of the paper that will be mathsy.<\/p>\n<p>GCSE Ch2.13 <a href=\"https:\/\/isaacscience.org\/question_decks#phys_book_gcse_ch_2_13\">Resultant Force and Acceleration<\/a><\/p>\n<p>GCSE Ch2.13A <a href=\"https:\/\/isaacscience.org\/question_decks#phys_book_gcse_ch_2_13_add\">Additional Resultant Force and Acceleration<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Simulations&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>A nice simulation from PhET:<\/p>\n<p><a href=\"https:\/\/phet.colorado.edu\/sims\/html\/forces-and-motion-basics\/latest\/forces-and-motion-basics_en.html\">Forces and motion: basics<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Physics Factsheets&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>I think these are fab, and hopefully your school has a subscription to them.\u00a0<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;A-level Physics Online &#8211; videos&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>See below for a quick selection of the relevant videos, you can find Lewis&#8217; full playlist for forces in action <a href=\"https:\/\/www.youtube.com\/watch?v=wBrJ30plBhw&amp;list=PLlDtVvefFYT-pPSxrBVzWI41QF68yCE1N\">here<\/a>.<\/p>\n<p>[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider_item admin_title=&#8221;Centre of mass&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?v=7fCb3dPRAnQ&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][et_pb_video_slider_item admin_title=&#8221;Outrageous acts of science &#8211; balance&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?v=7dzUQq7re0k&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][\/et_pb_video_slider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_divider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|phone&#8221; admin_label=&#8221;Call to Action&#8221; _builder_version=&#8221;4.16&#8243; background_color=&#8221;#007aff&#8221; width=&#8221;90%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;19px||19px||true|false&#8221; custom_padding_tablet=&#8221;60px||60px||true|false&#8221; custom_padding_phone=&#8221;40px||40px||true|false&#8221; border_radii=&#8221;on|30px|30px|30px|30px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.5&#8243; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_text_color=&#8221;#ffffff&#8221; header_2_font_size=&#8221;50px&#8221; header_2_line_height=&#8221;1.3em&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;24px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Free-body diagrams<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;2_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;0px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#ffffff&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; text_font_size_tablet=&#8221;&#8221; text_font_size_phone=&#8221;14px&#8221; text_font_size_last_edited=&#8221;on|desktop&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Blurb coming soon<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_tabs _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_tab title=&#8221;Seneca&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>2.2.1 Dynamics<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Learning Checklist&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Lewis Matheson has taken the specification and turned it into a bite-size student-friendly format. I recommend printing this out and having a learning checklist at the start of your folder for each section:<\/p>\n<p>OCR A &#8211; module 3 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_cc50f7f373e149ffa7afc5a3321a6479.pdf\">forces<\/a><\/p>\n<p>AQA &#8211; module 4 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_f977d0b7021547a68cdd5591d422d818.pdf\">mechanics and materials<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Isaac Science&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Sign up for a free account to Isaac Science and it&#8217;ll save and track your progress &#8211; working through these problems is necessary to secure that 30-40% of the paper that will be mathsy.<\/p>\n<p>GCSE Ch2.13 <a href=\"https:\/\/isaacscience.org\/question_decks#phys_book_gcse_ch_2_13\">Resultant Force and Acceleration<\/a><\/p>\n<p>GCSE Ch2.13A <a href=\"https:\/\/isaacscience.org\/question_decks#phys_book_gcse_ch_2_13_add\">Additional Resultant Force and Acceleration<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Simulations&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>A nice simulation from PhET:<\/p>\n<p><a href=\"https:\/\/phet.colorado.edu\/sims\/html\/forces-and-motion-basics\/latest\/forces-and-motion-basics_en.html\">Forces and motion: basics<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Physics Factsheets&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>I think these are fab, and hopefully your school has a subscription to them.\u00a0<\/p>\n<p>123: Understanding frictional forces<\/p>\n<p>124: Forces on static structures<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;A-level Physics Online &#8211; videos&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>See below for a quick selection of the relevant videos, you can find Lewis&#8217; full playlist for forces in action <a href=\"https:\/\/www.youtube.com\/watch?v=wBrJ30plBhw&amp;list=PLlDtVvefFYT-pPSxrBVzWI41QF68yCE1N\">here<\/a>.<\/p>\n<p>[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider_item admin_title=&#8221;Free body diagrams&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?t=3s&#038;v=IBDk8Opqn8E&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][\/et_pb_video_slider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_divider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|phone&#8221; admin_label=&#8221;Call to Action&#8221; _builder_version=&#8221;4.16&#8243; background_color=&#8221;#007aff&#8221; width=&#8221;90%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;19px||19px||true|false&#8221; custom_padding_tablet=&#8221;60px||60px||true|false&#8221; custom_padding_phone=&#8221;40px||40px||true|false&#8221; border_radii=&#8221;on|30px|30px|30px|30px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.5&#8243; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_text_color=&#8221;#ffffff&#8221; header_2_font_size=&#8221;50px&#8221; header_2_line_height=&#8221;1.3em&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;24px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Drag and terminal velocity<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;2_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;0px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#ffffff&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; text_font_size_tablet=&#8221;&#8221; text_font_size_phone=&#8221;14px&#8221; text_font_size_last_edited=&#8221;on|desktop&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Blurb coming soon<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_tabs _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_tab title=&#8221;Seneca&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>2.1.7 Friction<\/p>\n<p>2.1.8 Terminal Velocity<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Learning Checklist&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Lewis Matheson has taken the specification and turned it into a bite-size student-friendly format. I recommend printing this out and having a learning checklist at the start of your folder for each section:<\/p>\n<p>OCR A &#8211; module 3 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_cc50f7f373e149ffa7afc5a3321a6479.pdf\">forces<\/a><\/p>\n<p>AQA &#8211; module 4 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_f977d0b7021547a68cdd5591d422d818.pdf\">mechanics and materials<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Isaac Science&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Sign up for a free account to Isaac Science and it&#8217;ll save and track your progress &#8211; working through these problems is necessary to secure that 30-40% of the paper that will be mathsy.<\/p>\n<p>GCSE Ch2.14 <a href=\"https:\/\/isaacscience.org\/question_decks#phys_book_gcse_ch_2_14\">Terminal Velocity<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Simulations&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>A nice simulation from PhET:<\/p>\n<p><a href=\"https:\/\/phet.colorado.edu\/sims\/html\/forces-and-motion-basics\/latest\/forces-and-motion-basics_en.html\">Forces and motion: basics<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Physics Factsheets&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>I think these are fab, and hopefully your school has a subscription to them.\u00a0<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;A-level Physics Online &#8211; videos&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>See below for a quick selection of the relevant videos, you can find Lewis&#8217; full playlist for forces in action <a href=\"https:\/\/www.youtube.com\/watch?v=wBrJ30plBhw&amp;list=PLlDtVvefFYT-pPSxrBVzWI41QF68yCE1N\">here<\/a>.<\/p>\n<p>[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider_item admin_title=&#8221;Drag, air resistance and water resistance&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?v=x-ly8BXpPxE&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][et_pb_video_slider_item admin_title=&#8221;Terminal velocity&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?v=MNfANj2vkUU&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][\/et_pb_video_slider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_divider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|phone&#8221; admin_label=&#8221;Call to Action&#8221; _builder_version=&#8221;4.16&#8243; background_color=&#8221;#007aff&#8221; width=&#8221;90%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;19px||19px||true|false&#8221; custom_padding_tablet=&#8221;60px||60px||true|false&#8221; custom_padding_phone=&#8221;40px||40px||true|false&#8221; border_radii=&#8221;on|30px|30px|30px|30px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.7&#8243; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_text_color=&#8221;#ffffff&#8221; header_2_font_size=&#8221;50px&#8221; header_2_line_height=&#8221;1.3em&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;24px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Moments and equilibrium<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;2_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;0px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#ffffff&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; text_font_size_tablet=&#8221;&#8221; text_font_size_phone=&#8221;14px&#8221; text_font_size_last_edited=&#8221;on|desktop&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Blurb coming soon<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_tabs _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_tab title=&#8221;Seneca&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>2.2.2 Moments<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Learning Checklist&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Lewis Matheson has taken the specification and turned it into a bite-size student-friendly format. I recommend printing this out and having a learning checklist at the start of your folder for each section:<\/p>\n<p>OCR A &#8211; module 3 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_cc50f7f373e149ffa7afc5a3321a6479.pdf\">forces<\/a><\/p>\n<p>AQA &#8211; module 4 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_f977d0b7021547a68cdd5591d422d818.pdf\">mechanics and materials<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Isaac Science&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Sign up for a free account to Isaac Science and it&#8217;ll save and track your progress &#8211; working through these problems is necessary to secure that 30-40% of the paper that will be mathsy.<\/p>\n<p>GCSE Ch2.16. <a href=\"https:\/\/isaacscience.org\/question_decks#phys_book_gcse_ch_2_16\">Moments, Turning and Balancing<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Simulations&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>A nice simulation from PhET: <a href=\"https:\/\/phet.colorado.edu\/sims\/html\/balancing-act\/latest\/balancing-act_en.html\">Balancing Act<\/a><\/p>\n<p>and from oPhysics: <a href=\"https:\/\/ophysics.com\/r6.html\">Equilibrium Problem<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Physics Factsheets&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>I think these are fab, and hopefully your school has a subscription to them.\u00a0<\/p>\n<p>004: Moments and equilibrium<\/p>\n<p>180: Moments<\/p>\n<p>324: Balanced Forces<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;A-level Physics Online &#8211; videos&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>See below for a quick selection of the relevant videos, you can find Lewis&#8217; full playlist for forces in action <a href=\"https:\/\/www.youtube.com\/watch?v=wBrJ30plBhw&amp;list=PLlDtVvefFYT-pPSxrBVzWI41QF68yCE1N\">here<\/a>.<\/p>\n<p>[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider_item admin_title=&#8221;The principle of moments&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?v=7x6SpYdkjC4&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][\/et_pb_video_slider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_divider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|phone&#8221; admin_label=&#8221;Call to Action&#8221; _builder_version=&#8221;4.16&#8243; background_color=&#8221;#007aff&#8221; width=&#8221;90%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;19px||19px||true|false&#8221; custom_padding_tablet=&#8221;60px||60px||true|false&#8221; custom_padding_phone=&#8221;40px||40px||true|false&#8221; border_radii=&#8221;on|30px|30px|30px|30px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.7&#8243; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_text_color=&#8221;#ffffff&#8221; header_2_font_size=&#8221;50px&#8221; header_2_line_height=&#8221;1.3em&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;24px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Couples and torque<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;2_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;0px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#ffffff&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; text_font_size_tablet=&#8221;&#8221; text_font_size_phone=&#8221;14px&#8221; text_font_size_last_edited=&#8221;on|desktop&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Blurb coming soon<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_tabs _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_tab title=&#8221;Seneca&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>2.2.2 Moments<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Learning Checklist&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Lewis Matheson has taken the specification and turned it into a bite-size student-friendly format. I recommend printing this out and having a learning checklist at the start of your folder for each section:<\/p>\n<p>OCR A &#8211; module 3 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_cc50f7f373e149ffa7afc5a3321a6479.pdf\">forces<\/a><\/p>\n<p>AQA &#8211; module 4 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_f977d0b7021547a68cdd5591d422d818.pdf\">mechanics and materials<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Isaac Science&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Sign up for a free account to Isaac Science and it&#8217;ll save and track your progress &#8211; working through these problems is necessary to secure that 30-40% of the paper that will be mathsy.<\/p>\n<p>B5. <a href=\"https:\/\/isaacscience.org\/question_decks#phys19_b5\">Moments<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Simulations&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>A nice simulation from PhET: <a href=\"https:\/\/phet.colorado.edu\/sims\/html\/balancing-act\/latest\/balancing-act_en.html\">Balancing Act<\/a><\/p>\n<p>and from oPhysics: <a href=\"https:\/\/ophysics.com\/r6.html\">Equilibrium Problem<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Physics Factsheets&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>I think these are fab, and hopefully your school has a subscription to them.\u00a0<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;A-level Physics Online &#8211; videos&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>See below for a quick selection of the relevant videos, you can find Lewis&#8217; full playlist for forces in action <a href=\"https:\/\/www.youtube.com\/watch?v=wBrJ30plBhw&amp;list=PLlDtVvefFYT-pPSxrBVzWI41QF68yCE1N\">here<\/a>.<\/p>\n<p>[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider_item admin_title=&#8221;Torque of a couple&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?v=_LbeGj68atU&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][\/et_pb_video_slider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_divider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|phone&#8221; admin_label=&#8221;Call to Action&#8221; _builder_version=&#8221;4.16&#8243; background_color=&#8221;#007aff&#8221; width=&#8221;90%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;19px||19px||true|false&#8221; custom_padding_tablet=&#8221;60px||60px||true|false&#8221; custom_padding_phone=&#8221;40px||40px||true|false&#8221; border_radii=&#8221;on|30px|30px|30px|30px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.7&#8243; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_text_color=&#8221;#ffffff&#8221; header_2_font_size=&#8221;50px&#8221; header_2_line_height=&#8221;1.3em&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;24px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Triangle of forces<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;2_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;0px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#ffffff&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; text_font_size_tablet=&#8221;&#8221; text_font_size_phone=&#8221;14px&#8221; text_font_size_last_edited=&#8221;on|desktop&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Blurb coming soon<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_tabs _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_tab title=&#8221;Seneca&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>2.2.5 Equilibrium<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Learning Checklist&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Lewis Matheson has taken the specification and turned it into a bite-size student-friendly format. I recommend printing this out and having a learning checklist at the start of your folder for each section:<\/p>\n<p>OCR A &#8211; module 3 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_cc50f7f373e149ffa7afc5a3321a6479.pdf\">forces<\/a><\/p>\n<p>AQA &#8211; module 4 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_f977d0b7021547a68cdd5591d422d818.pdf\">mechanics and materials<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Isaac Science&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Sign up for a free account to Isaac Science and it&#8217;ll save and track your progress &#8211; working through these problems is necessary to secure that 30-40% of the paper that will be mathsy.<\/p>\n<p>B5. <a href=\"https:\/\/isaacscience.org\/question_decks#phys19_b5\">Moments<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Simulations&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>A nice simulation from PhET: <a href=\"https:\/\/phet.colorado.edu\/sims\/html\/vector-addition\/latest\/vector-addition_en.html\">Vector Addition<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Physics Factsheets&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>I think these are fab, and hopefully your school has a subscription to them.\u00a0<\/p>\n<p>164: Triangles and parallelograms of forces<\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;A-level Physics Online &#8211; videos&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>See below for a quick selection of the relevant videos, you can find Lewis&#8217; full playlist for forces in action <a href=\"https:\/\/www.youtube.com\/watch?v=wBrJ30plBhw&amp;list=PLlDtVvefFYT-pPSxrBVzWI41QF68yCE1N\">here<\/a>.<\/p>\n<p>[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_divider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|phone&#8221; admin_label=&#8221;Call to Action&#8221; _builder_version=&#8221;4.16&#8243; background_color=&#8221;#007aff&#8221; width=&#8221;90%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;19px||19px||true|false&#8221; custom_padding_tablet=&#8221;60px||60px||true|false&#8221; custom_padding_phone=&#8221;40px||40px||true|false&#8221; border_radii=&#8221;on|30px|30px|30px|30px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.7&#8243; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_text_color=&#8221;#ffffff&#8221; header_2_font_size=&#8221;50px&#8221; header_2_line_height=&#8221;1.3em&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;24px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Density and pressure<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;2_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;0px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#ffffff&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; text_font_size_tablet=&#8221;&#8221; text_font_size_phone=&#8221;14px&#8221; text_font_size_last_edited=&#8221;on|desktop&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Blurb coming soon<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_tabs _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_tab title=&#8221;Seneca&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>2.2.6 Density &amp; Pressure<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Learning Checklist&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Lewis Matheson has taken the specification and turned it into a bite-size student-friendly format. I recommend printing this out and having a learning checklist at the start of your folder for each section:<\/p>\n<p>OCR A &#8211; module 3 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_cc50f7f373e149ffa7afc5a3321a6479.pdf\">forces<\/a><\/p>\n<p>AQA &#8211; module 4 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_f977d0b7021547a68cdd5591d422d818.pdf\">mechanics and materials<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Isaac Science&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Sign up for a free account to Isaac Science and it&#8217;ll save and track your progress &#8211; working through these problems is necessary to secure that 30-40% of the paper that will be mathsy.<\/p>\n<p><a href=\"https:\/\/phet.colorado.edu\/sims\/html\/vector-addition\/latest\/vector-addition_en.html\">Density Quiz A<\/a><\/p>\n<p><a href=\"https:\/\/isaacscience.org\/questions\/density_quiz_b?board=gcse_density_quiz_b&amp;stage=all\">Density Quiz B<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Simulations&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>A nice simulation from PhET: <a href=\"https:\/\/phet.colorado.edu\/sims\/html\/balancing-act\/latest\/balancing-act_en.html\">Balancing Act<\/a><\/p>\n<p>and from oPhysics: <a href=\"https:\/\/ophysics.com\/r6.html\">Equilibrium Problem<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Physics Factsheets&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>I think these are fab, and hopefully your school has a subscription to them.\u00a0<\/p>\n<p>064: Understanding and using pressure<\/p>\n<p>260: Displacement, Upthrust and Archimedes&#8217; Principle<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;A-level Physics Online &#8211; videos&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>See below for a quick selection of the relevant videos, you can find Lewis&#8217; full playlist for forces in action <a href=\"https:\/\/www.youtube.com\/watch?v=wBrJ30plBhw&amp;list=PLlDtVvefFYT-pPSxrBVzWI41QF68yCE1N\">here<\/a>.<\/p>\n<p>[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider_item admin_title=&#8221;Density&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?v=vodt8kgshbU&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][et_pb_video_slider_item admin_title=&#8221;Pressure&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?v=4Vn07qFWcO0&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][\/et_pb_video_slider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_divider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_divider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;on|phone&#8221; admin_label=&#8221;Call to Action&#8221; _builder_version=&#8221;4.16&#8243; background_color=&#8221;#007aff&#8221; width=&#8221;90%&#8221; module_alignment=&#8221;center&#8221; custom_padding=&#8221;19px||19px||true|false&#8221; custom_padding_tablet=&#8221;60px||60px||true|false&#8221; custom_padding_phone=&#8221;40px||40px||true|false&#8221; border_radii=&#8221;on|30px|30px|30px|30px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.7&#8243; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_text_color=&#8221;#ffffff&#8221; header_2_font_size=&#8221;50px&#8221; header_2_line_height=&#8221;1.3em&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;24px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Archimedes&#8217; principle<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;2_3,1_3&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;0px|||||&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;2_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#ffffff&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; text_font_size_tablet=&#8221;&#8221; text_font_size_phone=&#8221;14px&#8221; text_font_size_last_edited=&#8221;on|desktop&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Blurb coming soon<\/p>\n<p>[\/et_pb_text][\/et_pb_column][et_pb_column type=&#8221;1_3&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_tabs _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_tab title=&#8221;Seneca&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>2.2.6 Density &amp; Pressure<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Learning Checklist&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Lewis Matheson has taken the specification and turned it into a bite-size student-friendly format. I recommend printing this out and having a learning checklist at the start of your folder for each section:<\/p>\n<p>OCR A &#8211; module 3 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_cc50f7f373e149ffa7afc5a3321a6479.pdf\">forces<\/a><\/p>\n<p>AQA &#8211; module 4 &#8211; <a href=\"https:\/\/www.alevelphysicsonline.com\/_files\/ugd\/bbdbae_f977d0b7021547a68cdd5591d422d818.pdf\">mechanics and materials<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Isaac Science&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Sign up for a free account to Isaac Science and it&#8217;ll save and track your progress &#8211; working through these problems is necessary to secure that 30-40% of the paper that will be mathsy.<\/p>\n<p>GCSE Ch2.17 <a href=\"https:\/\/isaacscience.org\/question_decks#phys_book_gcse_ch_2_17_r1\">Pressure, Hydraulic Systems and Depth<\/a><\/p>\n<p>GCSE Ch2.17A <a href=\"https:\/\/isaacscience.org\/question_decks#phys_book_gcse_ch_2_17_add\">Additional Pressure, Hydraulic Systems and Depth<\/a><\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Simulations&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>A nice simulation from PhET: <a href=\"https:\/\/phet.colorado.edu\/sims\/html\/under-pressure\/latest\/under-pressure_en.html\">Under pressure<\/a><a href=\"https:\/\/ophysics.com\/r6.html\"><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;Physics Factsheets&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>I think these are fab, and hopefully your school has a subscription to them.\u00a0<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;A-level Physics Online &#8211; videos&#8221; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>See below for a quick selection of the relevant videos, you can find Lewis&#8217; full playlist for forces in action <a href=\"https:\/\/www.youtube.com\/watch?v=wBrJ30plBhw&amp;list=PLlDtVvefFYT-pPSxrBVzWI41QF68yCE1N\">here<\/a>.<\/p>\n<p>[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.6&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_video_slider_item admin_title=&#8221;Pressure in liquids&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?v=Eo0sGKYDz-o&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][et_pb_video_slider_item admin_title=&#8221;Upthrust and Archimedes&#8217; principle&#8221; src=&#8221;https:\/\/www.youtube.com\/watch?v=o7EbeVyqdko&#8221; _builder_version=&#8221;4.27.7&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221; show_image_overlay=&#8221;off&#8221;][\/et_pb_video_slider_item][\/et_pb_video_slider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; custom_padding_last_edited=&#8221;off|tablet&#8221; admin_label=&#8221;Footer&#8221; _builder_version=&#8221;4.16&#8243; background_image=&#8221;https:\/\/doctorp4physics.co.uk\/wp-content\/uploads\/2026\/01\/Tutoring-Service_Footer.png&#8221; background_size=&#8221;contain&#8221; background_position=&#8221;bottom_center&#8221; custom_padding=&#8221;||16vw||false|false&#8221; custom_padding_tablet=&#8221;||||false|false&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row custom_padding_last_edited=&#8221;on|tablet&#8221; _builder_version=&#8221;4.16&#8243; background_image=&#8221;https:\/\/doctorp4physics.co.uk\/wp-content\/uploads\/2026\/01\/bac-01.png&#8221; background_size=&#8221;contain&#8221; custom_padding=&#8221;160px|100px|100px|100px|false|true&#8221; custom_padding_tablet=&#8221;10px|40px|10px|40px|true|true&#8221; custom_padding_phone=&#8221;0px|0px|0px|0px|true|true&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.5&#8243; text_font=&#8221;PT Sans||||||||&#8221; text_text_color=&#8221;#62748a&#8221; text_font_size=&#8221;16px&#8221; text_line_height=&#8221;1.8em&#8221; header_2_font=&#8221;Playfair Display|700|||||||&#8221; header_2_text_color=&#8221;#2a3749&#8243; header_2_font_size=&#8221;50px&#8221; header_2_line_height=&#8221;1.3em&#8221; text_orientation=&#8221;center&#8221; max_width=&#8221;600px&#8221; module_alignment=&#8221;center&#8221; header_2_font_size_tablet=&#8221;32px&#8221; header_2_font_size_phone=&#8221;24px&#8221; header_2_font_size_last_edited=&#8221;on|phone&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Let&#8217;s Learn Together!<\/h2>\n<p><span>If you\u2019ve fallen out of love with Physics; you\u2019re struggling with the mathematical nature of the subject; you\u2019re not sure how to revise effectively or demonstrate your knowledge when it comes to exams; you really need to secure a top grade to get into your dream university or next step. It\u2019s time to get in touch and get you back on track!\u00a0<\/span><\/p>\n<p>[\/et_pb_text][et_pb_button button_url=&#8221;https:\/\/doctorp4physics.co.uk\/contact\/&#8221; url_new_window=&#8221;on&#8221; button_text=&#8221;Get Started&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; custom_button=&#8221;on&#8221; button_text_size=&#8221;12px&#8221; button_text_color=&#8221;#ffffff&#8221; button_bg_color=&#8221;#007aff&#8221; button_border_width=&#8221;0px&#8221; button_border_radius=&#8221;100px&#8221; button_letter_spacing=&#8221;2px&#8221; button_font=&#8221;PT Sans|900||on|||||&#8221; button_use_icon=&#8221;off&#8221; custom_margin=&#8221;||40px||false|false&#8221; custom_padding=&#8221;20px|30px|20px|30px|true|true&#8221; box_shadow_style=&#8221;preset3&#8243; box_shadow_blur=&#8221;28px&#8221; box_shadow_spread=&#8221;-10px&#8221; box_shadow_color=&#8221;rgba(0,122,255,0.33)&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; box_shadow_color__hover=&#8221;#2585b2&#8243; box_shadow_blur__hover_enabled=&#8221;off&#8221; box_shadow_blur__hover=&#8221;20px&#8221; box_shadow_vertical__hover_enabled=&#8221;off&#8221; box_shadow_vertical__hover=&#8221;10px&#8221;][\/et_pb_button][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.16&#8243; max_width=&#8221;750px&#8221; custom_padding=&#8221;0px||0px||true|&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_blurb title=&#8221;Phone&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#xe00b;||divi||400&#8243; icon_color=&#8221;#aaaaaa&#8221; image_icon_width=&#8221;32px&#8221; content_max_width=&#8221;100%&#8221; _builder_version=&#8221;4.16&#8243; header_font=&#8221;PT Sans|700|||||||&#8221; header_text_color=&#8221;#2a3749&#8243; header_font_size=&#8221;16px&#8221; header_line_height=&#8221;1.9em&#8221; text_orientation=&#8221;center&#8221; icon_font_size=&#8221;32px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><a href=\"tel:7739383953\" target=\"_blank\" rel=\"noopener\">7739383953<\/a><\/p>\n<p>[\/et_pb_blurb][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_blurb title=&#8221;Email&#8221; use_icon=&#8221;on&#8221; font_icon=&#8221;&#xe065;||divi||400&#8243; icon_color=&#8221;#aaaaaa&#8221; image_icon_width=&#8221;32px&#8221; content_max_width=&#8221;100%&#8221; _builder_version=&#8221;4.27.4&#8243; header_font=&#8221;PT Sans|700|||||||&#8221; header_text_color=&#8221;#2a3749&#8243; header_font_size=&#8221;16px&#8221; header_line_height=&#8221;1.9em&#8221; text_orientation=&#8221;center&#8221; icon_font_size=&#8221;32px&#8221; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><a href=\"mailto:justin.palfreyman@gmail.com\" target=\"_blank\" rel=\"noopener\">justin.palfreyman@gmail.com<\/a><\/p>\n<p>[\/et_pb_blurb][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>TopicForces in Action This unit examines the effects of forces on objects, covering equilibrium, dynamics, and pressure. Explore how to represent forces visually with free\u2011body diagrams, calculate moments and torque, and apply principles like Archimedes\u2019 buoyancy rule. Why Forces Matter in Physics The ancient Greeks believed there were two fundamental forces &#8211; an attractive force [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"nf_dc_page":"","_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","_monsterinsights_skip_tracking":false,"footnotes":""},"class_list":["post-159","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>3.2 Forces in Action - Dr P 4 Physics<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/doctorp4physics.co.uk\/es\/forces-in-action\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3.2 Forces in Action - Dr P 4 Physics\" \/>\n<meta property=\"og:description\" content=\"TopicForces in Action This unit examines the effects of forces on objects, covering equilibrium, dynamics, and pressure. 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