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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A smooth ring of mass m and radius R = 1 m is pulled at P with a constant acceleration a = 4 m/s^2 on a horizontal surface such that the plane of the ring lies on the surface. Find the angular acceleration of the ring at the given position. (in rad/s^2)

A smooth ring of mass m and radius R = 1 m is pulled at P with a constant acceleration a = 4 m/s^2 on a horizontal surface such that the plane of the ring lies on the surface. Find the angular acceleration of the ring at the given position. (in rad/s^2)

Two forces of magnitude F are acting on a uniform disc kept on a horizontal rough surface as shown in the figure. Friction force by the horizontal surface on the disc is nF. Find the value of n.