[问答题]
Two blocks, each of mass m,(y r 8xqv3(z0k-xm+nfyl en+w are - q5 g.(lq)p qo/f3:gspyozc eattached 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 s 5) qfq olep/z3qc.(:gp-oy gthe magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
