Question

A collar B of mass 2 kg is constrained to move along a horizontal smooth and fixed circular track of radius 5 m.The spring lying in the plane of the circular track and having spring constant 200 Nm-1 is undeformed when the collar is at A.If the collar starts from rest at B, the normal reaction exerted by the track on the collar when it passes through A is

Answer 1

Answer:

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