{"id":155,"date":"2026-01-27T01:40:18","date_gmt":"2026-01-27T01:40:18","guid":{"rendered":"https:\/\/doctorp4physics.co.uk\/?page_id=155"},"modified":"2026-06-09T13:59:01","modified_gmt":"2026-06-09T13:59:01","slug":"motion","status":"publish","type":"page","link":"https:\/\/doctorp4physics.co.uk\/es\/motion\/","title":{"rendered":"3.1 Motion"},"content":{"rendered":"

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Topic<\/h4>\n

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Motion<\/h1>\n

For 2000 years, most people mindlessly believed the teachings of Aristotle, but do heavy objects really fall faster? Is the Earth really the centre of the Universe? Archimedes devised a method to move the Earth, if only he could find a pivot, but it wasn’t until 1609 that Galileo turned the world on its head by turning his telescope to the moons (ours and Jupiter’s) and paved the way for Newton to define the laws that would see mankind set foot on the Moon 300 years later.<\/span>\u00a0<\/span><\/p>\n

[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/doctorp4physics.co.uk\/wp-content\/uploads\/2026\/01\/tutor-09.png” _builder_version=”4.16″ positioning=”absolute” vertical_offset=”-10px” horizontal_offset=”-115px” z_index=”1″ vertical_offset_tablet=”-60px” vertical_offset_phone=”” vertical_offset_last_edited=”on|phone” width=”100%” locked=”off” global_colors_info=”{}”][\/et_pb_image][et_pb_image src=”https:\/\/doctorp4physics.co.uk\/wp-content\/uploads\/2026\/01\/tutor-13.png” align=”center” _builder_version=”4.16″ max_height_tablet=”400px” max_height_phone=”” max_height_last_edited=”on|tablet” custom_margin=”|-10vw|0px||false|false” global_colors_info=”{}”][\/et_pb_image][et_pb_image src=”https:\/\/doctorp4physics.co.uk\/wp-content\/uploads\/2026\/01\/tutor-10.png” _builder_version=”4.16″ positioning=”absolute” position_origin_a=”bottom_left” vertical_offset=”-33px” horizontal_offset=”-80px” width=”100%” scroll_vertical_motion_enable=”on” scroll_vertical_motion=”0|50|50|100|2|0|-2″ scroll_rotating_enable=”on” scroll_rotating=”0|50|50|100|30\u00b0|0|-30\u00b0” locked=”off” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”About” _builder_version=”4.16″ global_colors_info=”{}”][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ custom_margin=”||||false|false” custom_padding=”||||false|false” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.5″ text_font=”PT Sans||||||||” text_font_size=”16px” text_line_height=”1.8em” header_2_font=”Playfair Display|700|||||||” header_2_font_size=”50px” header_2_line_height=”1.3em” header_2_font_size_tablet=”32px” header_2_font_size_phone=”24px” header_2_font_size_last_edited=”on|tablet” locked=”off” global_colors_info=”{}”]<\/p>\n

Key Motion Concepts<\/h2>\n
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[\/et_pb_text][et_pb_blurb title=”Distance & Speed” use_icon=”on” font_icon=”||divi||400″ icon_color=”#007aff” icon_placement=”left” content_max_width=”800px” _builder_version=”4.27.5″ header_font=”PT Sans|700|||||||” header_text_color=”#2a3749″ header_font_size=”16px” header_line_height=”1.9em” locked=”off” global_colors_info=”{}”][\/et_pb_blurb][et_pb_blurb title=”Displacement & Velocity” use_icon=”on” font_icon=”||divi||400″ icon_color=”#007aff” icon_placement=”left” content_max_width=”800px” _builder_version=”4.27.5″ header_font=”PT Sans|700|||||||” header_text_color=”#2a3749″ header_font_size=”16px” header_line_height=”1.9em” locked=”off” global_colors_info=”{}”][\/et_pb_blurb][et_pb_blurb title=”Equations of Motion” use_icon=”on” font_icon=”||divi||400″ icon_color=”#007aff” icon_placement=”left” content_max_width=”800px” _builder_version=”4.27.5″ header_font=”PT Sans|700|||||||” header_text_color=”#2a3749″ header_font_size=”16px” header_line_height=”1.9em” locked=”off” global_colors_info=”{}”][\/et_pb_blurb][et_pb_blurb title=”Projectile Motion” use_icon=”on” font_icon=”||divi||400″ icon_color=”#007aff” icon_placement=”left” content_max_width=”800px” _builder_version=”4.27.5″ header_font=”PT Sans|700|||||||” header_text_color=”#2a3749″ header_font_size=”16px” header_line_height=”1.9em” locked=”off” global_colors_info=”{}”][\/et_pb_blurb][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ custom_padding=”||||false|false” global_colors_info=”{}”][et_pb_text quote_border_weight=”8px” quote_border_color=”#f9ce6e” _builder_version=”4.27.5″ header_2_font=”Playfair Display|700|||||||” header_2_text_color=”#2A3749″ header_2_font_size=”42px” header_2_line_height=”1.1em” header_3_font=”Playfair Display|700|||||||” header_3_font_size=”40px” header_3_line_height=”1.2em” custom_padding=”||||false|false” header_2_font_size_tablet=”38px” header_2_font_size_phone=”25px” header_2_font_size_last_edited=”on|desktop” header_3_font_size_tablet=”34px” header_3_font_size_phone=”24px” header_3_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n

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Why Motion Matters
\nin Physics<\/h3>\n<\/blockquote>\n

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Motion is one of the most fundamental areas of physics, forming the basis for understanding mechanics and dynamics. By studying how objects move, students develop the ability to predict, calculate, and explain physical behavior across a wide range of contexts.<\/p>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.5″ text_font=”PT Sans||||||||” text_text_color=”#62748a” text_font_size=”16px” text_line_height=”1.8em” text_font_size_tablet=”” text_font_size_phone=”14px” text_font_size_last_edited=”on|desktop” locked=”off” global_colors_info=”{}”]<\/p>\n

This unit also emphasizes the use of graphs and equations to represent motion, helping learners visualize changes over time. With these skills, students can confidently approach exam questions and apply physics principles to everyday phenomena.<\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ custom_padding_last_edited=”on|phone” admin_label=”Call to Action” _builder_version=”4.16″ background_color=”#007aff” width=”90%” module_alignment=”center” custom_padding=”19px||19px||true|false” custom_padding_tablet=”60px||60px||true|false” custom_padding_phone=”40px||40px||true|false” border_radii=”on|30px|30px|30px|30px” locked=”off” global_colors_info=”{}”][et_pb_row _builder_version=”4.16″ global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.5″ header_2_font=”Playfair Display|700|||||||” header_2_text_color=”#ffffff” header_2_font_size=”50px” header_2_line_height=”1.3em” header_2_font_size_tablet=”32px” header_2_font_size_phone=”24px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n

Distance and speed<\/h2>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”2_3,1_3″ _builder_version=”4.16″ custom_padding=”0px|||||” global_colors_info=”{}”][et_pb_column type=”2_3″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.6″ text_font=”PT Sans||||||||” text_text_color=”#ffffff” text_font_size=”16px” text_line_height=”1.8em” text_font_size_tablet=”” text_font_size_phone=”14px” text_font_size_last_edited=”on|desktop” locked=”off” global_colors_info=”{}”]<\/p>\n

Do you ever wonder how your SAT NAV is able to predict what time you’ll arrive at your destination? It will need to take into account the expected traffic (and weather) conditions along your journey, and know of any road works or temporary speed limits, perhaps due to accidents. It’s tremendously clever, but at a first approximation, if you know the distance and the average speed you’ll be travelling at, then the time is simply the total distance divided by the total time.<\/p>\n

This equation is so fundamental you should probably commit it to memory, and yet I don’t – I just remember the fact that speed is measured in m\/s (or mph) and think about the units to re-derive the equation each time. That skill is far more valuable than regurgitation – try it!<\/p>\n

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[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_tabs _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_tab title=”Seneca” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

OCR A: 1.2.1 Errors<\/p>\n

AQA: 1.2.7 Limitations of Measurements?<\/p>\n

[\/et_pb_tab][et_pb_tab title=”Learning Checklist” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

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

OCR A – module 3 – forces and motion<\/a><\/p>\n

AQA – module 4 – mechanics and materials<\/a><\/p>\n

[\/et_pb_tab][et_pb_tab title=”Isaac Science” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

Sign up for a free account to Isaac Science and it’ll save and track your progress – working through these problems is necessary to secure that 30-40% of the paper that will be mathsy.<\/p>\n

GCSE Ch2.8: Speed, distance and time<\/a><\/p>\n

GCSE Ch2.8Add: Additional speed, distance and time<\/a><\/p>\n

 <\/p>\n

[\/et_pb_tab][et_pb_tab title=”Simulations” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

Here you can practice reading some of the key measuring instruments:<\/p>\n

Virtual micrometer<\/a><\/p>\n

Virtual vernier calliper<\/a><\/p>\n

[\/et_pb_tab][et_pb_tab title=”Physics Factsheets” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

I think these are fab, and hopefully your school has a subscription to them.\u00a0<\/p>\n

[\/et_pb_tab][et_pb_tab title=”A-level Physics Online – videos” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

See below for a quick selection of the relevant videos, you can find Lewis’ full playlist for practical skills here<\/a>.<\/p>\n

[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_divider _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_divider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ custom_padding_last_edited=”on|phone” admin_label=”Call to Action” _builder_version=”4.16″ background_color=”#007aff” width=”90%” module_alignment=”center” custom_padding=”19px||19px||true|false” custom_padding_tablet=”60px||60px||true|false” custom_padding_phone=”40px||40px||true|false” border_radii=”on|30px|30px|30px|30px” locked=”off” global_colors_info=”{}”][et_pb_row _builder_version=”4.16″ global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.5″ header_2_font=”Playfair Display|700|||||||” header_2_text_color=”#ffffff” header_2_font_size=”50px” header_2_line_height=”1.3em” header_2_font_size_tablet=”32px” header_2_font_size_phone=”24px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n

Displacement and velocity<\/h2>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”2_3,1_3″ _builder_version=”4.16″ custom_padding=”0px|||||” global_colors_info=”{}”][et_pb_column type=”2_3″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_text _builder_version=”4.27.6″ text_font=”PT Sans||||||||” text_text_color=”#ffffff” text_font_size=”16px” text_line_height=”1.8em” text_font_size_tablet=”” text_font_size_phone=”14px” text_font_size_last_edited=”on|desktop” locked=”off” global_colors_info=”{}”]<\/p>\n

Do you ever feel like you’re going around in circles but never getting anywhere? Well then you’re thinking about your displacement. If you end up back where you started then your displacement is zero. Although that’s not entirely true, it’s also a vector, so you’ll have to specify which direction to travel zero distance in, so good luck with that!<\/p>\n

If running around in circles gets you in a sweat and you’re feeling out of breath, then you must care about the distance that you’ve actually travelled. This could be called exercise and helps to depreciate the value of my car as it records how many miles I have travelled in total, not just how far away it is from the dealership it was bought from.\u00a0<\/p>\n

Now you know the difference, that’s pretty much all there is to it, except for the fact that most of the time we’ll be using displacement we’ll not really care about the direction, or we’ll maybe add a +\/- sign to pretend it matters.<\/p>\n

 <\/p>\n

[\/et_pb_text][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_tabs _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_tab title=”Seneca” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

OCR A: 1.2.1 Errors<\/p>\n

AQA: 1.2.7 Limitations of Measurements?<\/p>\n

[\/et_pb_tab][et_pb_tab title=”Learning Checklist” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

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

OCR A – module 3 – forces and motion<\/a><\/p>\n

AQA – module 4 – mechanics and materials<\/a><\/p>\n

[\/et_pb_tab][et_pb_tab title=”Isaac Science” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

Sign up for a free account to Isaac Science and it’ll save and track your progress – working through these problems is necessary to secure that 30-40% of the paper that will be mathsy.<\/p>\n

GCSE Ch2.9: Displacement and distance<\/a><\/p>\n

[\/et_pb_tab][et_pb_tab title=”Simulations” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

Here you can practice reading some of the key measuring instruments:<\/p>\n

Virtual micrometer<\/a><\/p>\n

Virtual vernier calliper<\/a><\/p>\n

[\/et_pb_tab][et_pb_tab title=”Physics Factsheets” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

I think these are fab, and hopefully your school has a subscription to them.\u00a0<\/p>\n

[\/et_pb_tab][et_pb_tab title=”A-level Physics Online – videos” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”]<\/p>\n

See below for a quick selection of the relevant videos, you can find Lewis’ full playlist for practical skills here<\/a>.<\/p>\n

[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_video_slider _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}”][et_pb_video_slider_item admin_title=”multimeters and vernier callipers” src=”https:\/\/www.youtube.com\/watch?v=jJfu35JDXOs&source_ve_path=NzY3NTg&embeds_referring_euri=https%3A%2F%2Fsites.google.com%2F” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}” show_image_overlay=”off”][\/et_pb_video_slider_item][et_pb_video_slider_item admin_title=”how to read a vernier scale” src=”https:\/\/www.youtube.com\/watch?v=hlpMRA_7SRo” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}” show_image_overlay=”off”][\/et_pb_video_slider_item][et_pb_video_slider_item admin_title=”how to use multimeters” src=”https:\/\/www.youtube.com\/watch?v=HzWdDZyULZE” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}” show_image_overlay=”off”][\/et_pb_video_slider_item][et_pb_video_slider_item admin_title=”zero errors” src=”https:\/\/www.youtube.com\/watch?v=YF-XFae6PvA” _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}” show_image_overlay=”off”][\/et_pb_video_slider_item][et_pb_video_slider_item admin_title=”parallax errors” src=”https:\/\/www.youtube.com\/watch?v=C-vSdlJ-Fa8″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}” show_image_overlay=”off”][\/et_pb_video_slider_item][et_pb_video_slider_item admin_title=”light gates and data loggers” src=”https:\/\/www.youtube.com\/watch?v=peh8cpHmOm4″ _builder_version=”4.27.6″ _module_preset=”default” global_colors_info=”{}” show_image_overlay=”off”][\/et_pb_video_slider_item][\/et_pb_video_slider][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ custom_padding_last_edited=”off|tablet” admin_label=”Footer” _builder_version=”4.16″ background_image=”https:\/\/doctorp4physics.co.uk\/wp-content\/uploads\/2026\/01\/Tutoring-Service_Footer.png” background_size=”contain” background_position=”bottom_center” custom_padding=”||16vw||false|false” custom_padding_tablet=”||||false|false” locked=”off” global_colors_info=”{}”][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.16″ max_width=”750px” custom_padding=”0px||0px||true|” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_blurb title=”Phone” use_icon=”on” font_icon=”||divi||400″ icon_color=”#aaaaaa” image_icon_width=”32px” content_max_width=”100%” _builder_version=”4.27.6″ header_font=”PT Sans|700|||||||” header_text_color=”#2a3749″ header_font_size=”16px” header_line_height=”1.9em” text_orientation=”center” icon_font_size=”32px” locked=”off” global_colors_info=”{}”]<\/p>\n

(+44) 07739383953<\/a><\/p>\n

[\/et_pb_blurb][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.16″ global_colors_info=”{}”][et_pb_blurb title=”Email” use_icon=”on” font_icon=”||divi||400″ icon_color=”#aaaaaa” image_icon_width=”32px” content_max_width=”100%” _builder_version=”4.27.4″ header_font=”PT Sans|700|||||||” header_text_color=”#2a3749″ header_font_size=”16px” header_line_height=”1.9em” text_orientation=”center” icon_font_size=”32px” locked=”off” global_colors_info=”{}”]<\/p>\n

justin.palfreyman@gmail.com<\/a><\/p>\n

[\/et_pb_blurb][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

TopicMotion For 2000 years, most people mindlessly believed the teachings of Aristotle, but do heavy objects really fall faster? Is the Earth really the centre of the Universe? 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