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A particle of mass  is rigidly attached at ‘ ’ to a ring of mass  and radius ‘ ’. The system is released from rest and rolls without sliding. The angular acceleration of ring just after release is

a)

b)

c)

d)


Question ID - 100183 | SaraNextGen Answer

A particle of mass  is rigidly attached at ‘ ’ to a ring of mass  and radius ‘ ’. The system is released from rest and rolls without sliding. The angular acceleration of ring just after release is

a)

b)

c)

d)

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

The distance of CM from the ring centre

We can apply torque equation about point of contact as the ring is rolling



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