Unit 7 · Equation of motion for free fall

Gravitation and Newton's Universal Law of Gravitation Presentation

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Class 10 Science · Motion and Force

Gravitation and Newton's Universal Law of Gravitation

Newton, 1687 · F = Gm₁m₂/d² · G = 6.67 × 10⁻¹¹ N m²/kg²

By the end of this lesson you can

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State Newton's universal law of gravitation

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Explain G, its value and its unit

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Calculate the force between two bodies

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Describe what gravitational force makes happen

Everything pulls on everything

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A dropped stone falls to the ground

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A ripe fruit falls from its tree

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The Earth and the Moon attract each other

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A rover landing on Mars needs a parachute

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Presenter notes: Today we find out why everything falls, and how one short formula measures the pull between any two bodies in the universe.