[问答题]
Two blocks, each of mass m, are attached to the ends of a m-z3 wlh6gd9y/c0c zki asslrvg+ x,8el*eub/;sii3 v t2ycess rod which pivots as shown in Fig. 8–40. Initia x,r +/iesulcvybv8e2*it g 3;lly the rod is held in the horizontal position and then released. Calculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
