[问答题]
Two blocks, each of mass m, are attacdl*aad8saj() 7cc abphrkd j lk*1634pgl -:uhed to the ends tt+8z cf wul.hq+c:1 bof 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 system+wu+ b8: tcqzchf.lt1 .
Post time 2025-2-18 20:00:22
