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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A body in rotational motion has a change in angular momentum about 20 S.I. unit for every 4 sec. The rotational force acting on the body is:

Answer: (A)

Solution

Torque equals the rate of change of angular momentum, N m; 1/5 N m and 80

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Question ID VK-040353