AIPMT PRELIMS2003Physics-Rotational Motion

AIPMT PRELIMS 2003 Physics Rolling Motion MCQ Question

Type: MCQ-conceptual-Medium-Class 11

A solid cylinder of mass M and radius R rolls without slipping down an inclined plane of length L and height h. What is the speed of its centre of mass when the cylinder reaches its bottom -

A

√2gh

B

√(3/4)gh

C

√(4/3)gh

D

√4gh

Correct Answer

Option C

Detailed Explanation

Using energy conservation, the potential energy at the top is converted to translational and rotational kinetic energy at the bottom.

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