30) spring force and circular motion | A collar B of mass 2 kg is constrained to move along a

horizontal smooth and fixed circular track of radius 5m. The spring lying in the plane of the circular track and having spring constant 200 N/m 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
Physics | spring force and energy class 11 | JEE Main | JEE Adv |
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