[问答题]
Two blocks, each of mass()jjmdwe z5 zqaj5z x99 5u7ckr1/ qov6)(d(zl gpc1sk zd1ke 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. Calculate the magnitude and(g)ds (1ekk16 clzpzd direction of the net torque on this system.
Post time 2025-2-18 20:00:22
