A thin circular ring of mass and radius is rotating about its axis with a constant angular velocity . Four objects each of mass , are kept gently to the opposite ends of two perpendicular diameters of the ring. The angular velocity of the ring will be |
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a) |
b) |
c) |
d) |

A thin circular ring of mass and radius is rotating about its axis with a constant angular velocity . Four objects each of mass , are kept gently to the opposite ends of two perpendicular diameters of the ring. The angular velocity of the ring will be |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(a)**

Initial angular momentum of ring,

Final angular momentum of ring and four particles system

As there is no torque on the system therefore angular momentum remains constant

127 votes

127