[问答题]
Two blocks, each of mass m, are attached to the ends4ar/ mmb5je;h of a mas g,p.nvgy7h 7kkl6 s.- 2ke9u)f euczs8 -iqwhsless rod which pivots as shown in Fig. 8–40. Initially the r7 gp.8fluhnu, 6qzwg9ekhv e7yc - k.i-)sk s2od 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
