[问答题]
Two blocks, each of malo6ywa yuuj0 ) )camz;y6q 8w)ts:;b kv,s nt+(/setsss 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 the magnitude and direction of the net torque on this systemk;stsvttebn ,(s: +/s .
Post time 2025-2-18 20:00:22
