[问答题]
Two blocks, each of mass m, l 706d0ry j 8bvpvwca0are attached to t. mdx.)onx:r zhe ends of a massless rod which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal positi xd).z.ron: mxon and then released. Calculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
