[问答题]
Two blocks, each of mass m, are attached to the endvffs+ ,q+ zy;w/4znok s of a massless rod which u l6be t9wdu.b i1;(6tpzs 3bypivots as shown in Fig. 8–40. In 1 3ut66 btl e(.dsi;u9ybpbwzitially 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
