[问答题]
Two blocks, each of mass m, / z3da1d j0e.ap: poe xlmwe 9fk76ywi+v5a+o0uanovn : r:m, are attached to the ends of a massless rod which pivot:nun0a+vr o o:s as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then released. Calculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
