Question: The two gears of the system of Fig. have mass polar moments of inertia IA and 13. Derive an expression for the equivalent mass polar moment of inertia for the radii ratio RA/Rs = n.
(1) The reaction forces on the gears at the point of contact are equal in magnitude and opposite in direction,
(2) the angular acceleration of gear B is it times the angular acceleration of gear A and
(3) write one torque equation for each of the gears separately with the shafts absent.
