[问答题]
Two blocks, each of mass m, are ateoyv2vr p(o (- ncp4nm83:yl wtached to the end827 pnigx yssp3 (zzw:pk 8xy0s 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 dxpp7yz 882 gw(3zniy0: s xspkirection of the net torque on this system.
Post time 2025-2-18 20:00:22
