[问答题]
Two blocks, each of mass m,wj.huc b-sl) ud(i s :.two/h. are attached be ,f//ap ssj85pck9tto the ends 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 s5s8/b f9ka, tj/pecpdirection of the net torque on this system.
Post time 2025-2-18 20:00:22
