In the absence of air, why does an object with greater mass fall toward Earth at the same acceleration as an object with less mass?

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Physics

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5 July, 16:28

In the absence of air, why does an object with greater mass fall toward Earth at the same acceleration as an object with less mass?

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Keira Potter · Answer 1

If there is air, then an object with greater mass falls toward Earth at a greater acceleration because it encounters less air resistance than if it had a smaller mass. There is no air resistance if there is no air, so they'll fall at the same acceleration.