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

Question

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

MARKS App · Accepted Answer

Radius of Curvature is given by = velocity 2 Normal Acceleration = 2 v 2 v 2 R = 4 R

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