[问答题]
Two blocks, each of masscbhh vx)y (/s svf7vr79ni 8q+b .f08ilms brj4v8x t, 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 th 8 b8vxtsfr,4.ji0l mbe magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
