An ideal set of gears is connected to a solid cylinder load as shown in Figure P2.44. The inertia of the motor shaft and gear G2 is Jm. Determine
(a) The inertia of the load JL and
(b) The torque T at the motor shaft.
Assume the friction at the load is bL and the friction at the motor shaft is bm. Also assume the density of the load disk is p and the gear ratio is n. The torque at the motor shaft is given by T = T1 + Tm.

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Ni n Motor FIGURE P2.44 Motor gears, and load.