[问答题]
Two blocks, each of mass m, are attached to the ends of a massless rod whichrt d ;tqeh n:.:2zyq.idxm32 v pias53: h o(in*ag nvzx3eibd*8vots as shown in Fig. 8–40. Initially the rod is held ii n( 8h*gz5n oav *:iae3bdx3sn 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
