[问答题]
Two blocks, each of mass m, are attach:yy+:ef 05t0e8qk wufa9q tveed to tc9syx lw*.xby z(z g7h9l0gu) re50plcz 3v-khe ends of a massless rod which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then rel*7x z vg b sp)z0599-yly3egcxzk lwh.lcu(r0eased. Calculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
