[问答题]
Two blocks, each of mass m, are attached to tdyveufm;26ppv 1:pza w s +m9+he ends of a mas13h 9d 8t/7e)ffln3onih iy xhsless rod which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and3nni9 t1y7hd 8ehl/ fo)fh3 xi then released. Calculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
