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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A wheel of radius 0.4m can rotate freely about its axis as shown in the figure. A string is wrapped over its rim and a mass of 4kg is hung. An angular acceleration of 8rad/s^2 is produced in it due to the torque. Then, the moment of inertia of the wheel is (g=10m/s^2)

A wheel of radius 0.4m can rotate freely about its axis as shown in the figure. A string is wrapped over its rim and a mass of 4kg is hung. An angular acceleration of 8rad/s^2 is produced in it due to the torque. Then, the moment of inertia of the wheel is (g=10m/s^2)

If the normal force is doubled is the coefficient of friction