Physics-
General
Easy
Question
A ring of mass M and radius R sliding with a velocity v0 suddenly enters into rough surface where the coefficient of friction is 
, as shown in figure. Choose the correct statement(s)
- The momentum of the ring is conserved
- The angular momentum of the ring is conserved about its centre of mass
- The angular momentum of the ring conserved about any point on the horizontal surface
- The mechanical energy of the ring is conserved
The correct answer is: The angular momentum of the ring conserved about any point on the horizontal surface
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