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Conservation of momentum – problem

A ring of radius ‘R’ and mass ‘M’ lies on its side on a frictionless table. A bug of mass ‘m’ rests on the ring. Bug starts walking on the ring with constant speed ‘v’ relative to the ring. Describe the motion of ring relative to ground frame.

(In some questions ring being pivoted, but here not, ring is free to move any way horizontally). Thanks.

Asked Nitin

(The pivoted ring problem is solved here)

 

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