[问答题]
Two blocks, each of hw8+wsf 8b7s:cl1cib m fc(4(oy+*wlzve *7:m9zp tqez u7;-lquqg ocass m, are attached to the 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. Calc(7lwq;lfuy 7c:t4gmzv*9+o( cp eu zz* qeq-oulate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
