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JEE Main 2002 (AIEEE) · Rolling Motion

Rolling Motion question from JEE Main 2002 (AIEEE)

Q88JEE Main 2002 · AIEEEEasy

Rolling Motion

A solid sphere, a hollow sphere and a ring are released from top of an inclined plane (frictionless) so that they slide down the plane. Then maximum acceleration down the plane is for (no rolling)

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Answer: (d)

On a frictionless incline there is no torque about the centre, so the bodies only slide and do not rotate.
For pure sliding, $a = g\sin\theta$ , independent of shape and mass.
So the answer is (d) all same.

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