[问答题]
Two blocks, each of mas9.n(yruvm ggfy12a ko s (wu+1s m, are attached to the ends of a massless rod whj k5uukdm 5i.+ich pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then released. Calculate the magnitude and direction ok5m5kuui .j+d f the net torque on this system.
Post time 2025-2-18 20:00:22
