[问答题]
Two blocks, each of mass m, are k)qj;sz 1 qg(lattached to the mf49gmsk, u x ly)1:.qy)y tmwends 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 direction of the net torque on this sys.sw4x9u1gk ):qlmym ,yytmf)tem.
Post time 2025-2-18 20:00:22
