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MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A rope of negligible mass is wound around a hollow cylinder of mass 2 kg and radius 20 cm. What is the angular acceleration of the cylinder, if the rope is pulled with a force of 2N? [MHT-CET 2009, MHT-CET 2009]

Answer: (A)

Solution

and N m, so \frac$τ

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Question ID VK-041095