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Q.

A light rope is wound around a hollow cylinder of mass 6 kg and radius 60 cm which is free to rotate about its geometrical axis. The rope is pulled with a force of 50.4 N. The angular acceleration of the cylinder will be_____ rad s-2.

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answer is 14.

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Detailed Solution

Torque τ=Iα
FR=mR2αα=FmRα=50.46×0.6=14rads−2

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