1.

A solid cylinder and a hollow cylinder, both of the same mass and same external diameter are released from the same height at the same time on an inclined plane. Both roll down without slipping. Which one will reach the bottom first ?A. solid cylinderB. hollow cylinderC. both will take the same timeD. it cannot be predicted

Answer» Correct Answer - A
(a) `a = (g sin theta)/(1 + (I)/(MR^2))`, For solid cylinder `I` is less, so `a` is more, hence time taken will be less.


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