{"id":251,"date":"2026-01-27T02:35:33","date_gmt":"2026-01-27T02:35:33","guid":{"rendered":"https:\/\/doctorp4physics.co.uk\/?page_id=251"},"modified":"2026-02-22T14:31:23","modified_gmt":"2026-02-22T14:31:23","slug":"gravitational-fields","status":"publish","type":"page","link":"https:\/\/doctorp4physics.co.uk\/es\/gravitational-fields\/","title":{"rendered":"5.4 Gravitational Fields"},"content":{"rendered":"

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Topic<\/h4>\n

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Gravitational Fields<\/h1>\n

This unit examines gravitational fields and their role in shaping planetary motion, satellites, and the structure of the cosmos. Learn what a gravitational field is, how it varies with distance, how Newton\u2019s law of universal gravitation describes the force between masses, and how these ideas explain orbits, potential energy, and satellite motion.<\/p>\n

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Key Concepts<\/h2>\n
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[\/et_pb_text][et_pb_blurb title=”Gravitational Fields & Force” 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” hover_enabled=”0″ locked=”off” global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_blurb][et_pb_blurb title=”Newton\u2019s Law of Universal Gravitation” 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” hover_enabled=”0″ locked=”off” global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_blurb][et_pb_blurb title=”Gravitational Potential” 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” hover_enabled=”0″ locked=”off” global_colors_info=”{}” sticky_enabled=”0″][\/et_pb_blurb][et_pb_blurb title=”Kepler\u2019s Laws” 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” hover_enabled=”0″ locked=”off” global_colors_info=”{}” sticky_enabled=”0″][\/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” hover_enabled=”0″ 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=”{}” sticky_enabled=”0″]<\/p>\n

\n

The Elusive Power
\nof Gravity<\/h3>\n<\/blockquote>\n

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There are (currently) four fundamental forces in the universe: electromagnetic, strong and weak nuclear, and finally gravitational.<\/span><\/p>\n

The holy grail for many scientists, Einstein included, was to develop a grand unified theory that could explain all of these, but gravity has proved to be the most elusive – why?<\/span><\/p>\n

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It is 10^40 times weaker than the electromagnetic force, yet it has shaped and moulded the structure of the universe. The moon’s gravity can lift entire oceans from 400,000 km away, yet you can overcome the gravitational force of the Earth every time you walk upstairs.<\/span><\/p>\n

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Unlock the Mysteries of Gravity<\/h2>\n

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Gravitational fields link fundamental physics to real\u2011world applications, from satellite mechanics to planetary motion. With tailored lessons, you\u2019ll build confidence, tackle exam questions, and connect physics principles to the universe around you.<\/p>\n

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Let’s Learn Together!<\/h2>\n

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

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7739383953<\/a><\/p>\n

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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":"

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