[问答题]
Two blocks, each of mass m, are attache,mqce3-v4di(u-fve uafk9 5yhpi8g 7;oi b 5rd to th*bkfx gp(vnce- ,47sl e ends of a massless rod which pivots as shown in Fig. 8–40. Initially the gb7* f4 e-c,x(ls pnkvrod 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
