A ring of radius R rolls without slipping on a rough horizontal surface with a constant velocity. The radius of curvature of the path followed by any particle of the ring at the highest point of its path will be :

Question

A ring of radius R rolls without slipping on a rough horizontal surface with a constant velocity. The radius of curvature of the path followed by any particle of the ring at the highest point of its path will be :, 5 R, 2 R, 4 R, None of these

MARKS App · Accepted Answer

Radius of Curvature = velocity 2 Normal Acceleration = 2 v 2 v 2 / R = 4 R

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