[问答题]
Two blocks, each of mass m, are att9j64 nus, (fl uhppx*rached g)hfy0 k:jrx. f4mis3 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 the magnitude and direction of the0 fi mk. )x34ryjs:hfg net torque on this system.
Post time 2025-2-18 20:00:22
