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A solid sphere, disc and solid cylinder all of the same mass and made up of same material

A solid sphere, disc and solid cylinder all of the same mass and made up of same material are allowed to roll down (from rest) on inclined plane, then

Options

(a) solid sphere reaches the bottom first
(b) solid sphere reaches the bottom late
(c) disc willl reacvh the bottom first
(d) All of them reach the bottom at the same time

Correct Answer:

solid sphere reaches the bottom first

Explanation:

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