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JEE Main Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main

Statement 1: The velocity of a body at the bottom of an inclined plane of a given height is more when it slides down the plane, compared to when it rolls down the same plane. Statement 2: In rolling down, a body acquires both kinetic energy of translation and kinetic energy of rotation.

Answer: (A)

Solution

Sliding (frictionless) converts all the gravitational PE into translational KE alone (), giving the maximum possible final speed. Rolling diverts some of the available energy into

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Question ID VK-158816