[问答题]
Two blocks, each of mass m, are attache0 uud f6uo:-t)p w;ylny9 gga/d to t- 18 edf e8e67)efsudpwqi ez0he ends of a massless rod which pivots 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 syste)ef6ed p-e80q87ed1weuf z ism.
Post time 2025-2-18 20:00:22
