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What would happen if the sun didn't have a large pull on the planets.

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What would happen if the sun didn't have a large pull on the planets.

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The planets wouldn't orbit around the sun

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The size of the force depends on the mass of the objects and the distance between objects.

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Decrease the mass of an object or decrease the roughness of the surface the object is being moved across

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Increase mass of object or increase the roughness of the surface the object is being pushed across.

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Distance/Time

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Will produce a change in motion.

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When the net force of an object is greater than 0N, motion will occur

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Will not cause change in motion

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When the net force of an object is 0N, no motion will occur

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The combination of all forces acting on an object

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motion

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Both size and direction

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SI unit for mass

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All objects have gravity

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What keeps planets orbiting around the sun

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Why do objects fall towards Earth

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A result of mass

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Amount of matter an object contains
Stays the same between planets.

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Amount of gravity affecting an object. Changes between planets.

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Causes no motion

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Causes motion

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What affects the amount of gravity

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SI unit for force

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A force acting on anything in motion

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Friction while moving. Replaces Static Friction when motion starts

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Friction while not moving. Is replaced by Kinetic Friction as soon as motion occurs