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A thin circular ring of mass  and radius  is rotating about its axis with a constant angular velocity . Two objects, each of mass , are attached gently to the opposite ends of the diameter of the ring. The wheel now rotates with an angular velocity

a)

b)

c)

d)



Question ID - 100780 | SaraNextGen Top Answer

A thin circular ring of mass  and radius  is rotating about its axis with a constant angular velocity . Two objects, each of mass , are attached gently to the opposite ends of the diameter of the ring. The wheel now rotates with an angular velocity

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (c) -

(c)

Since the objects are placed gently, therefore no external torque is acting on the system. Therefore, angular momentum is constant

i.e.,

127 votes


127