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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A sphere of radius r and mass m has a linear velocity v0 m/s directed to the left and no angular velocity as it is placed on a horizontal platform moving to the right with a constant velocitry 10 m/s. If after sliding on the platform without sliding. The coefficient of kinetic friction between the sphere and the platform is muK . Determine the required value of v0 in m/s.

A sphere of radius r and mass m has a linear velocity v0 m/s directed to the left and no angular velocity as it is placed on a horizontal platform moving to the right with a constant velocitry 10 m/s. If after sliding on the platform without sliding. The coefficient of kinetic friction between the sphere and the platform is muK . Determine the required value of v0 in m/s.

A rolling body of mass m = 4 k g radius R and radius of gyration k = R / √ 3 is placed as a plank which moves with an acceleration a 0 = 1 m /s^2 . Find the frictional force acting on the body if it rolls without sliding(in N ).