If a stone and a pencil are dropped simultaneously in vacuum from the top of a tower, which of the two will reach the ground first?

Stone

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Pencil

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Both will reach the ground simultaneously

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None of the above

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Solution

The correct option is D Both will reach the ground simultaneously
Acceleration due to gravity does not depend on mass. It remains same for each object. Since stone and pencil are falling in a vacuum, there will be no air resistance on them. Hence, time taken for them to reach the ground will be same.

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