[问答题]
Two blocks, each of mass m, are attached to the ew/ vx4 k9s(5 t8qwaoteq-7sevnds of a massless rod which pivv/9(tt5qqkaxos 8 - vw7ws4eea9o ;q*ex2vla6yc9im+nqnwu:k: z ) 0ax.ruxots as shown in Fig. 2k:ruxvamz9qaox:)q0c ulx*.nn +i9 ya; ew68–40. 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
