[问答题]
Two blocks, each of mass m, are attachedr8rk juss.0*ded hbrx d*,4(y to the ends of 0l,n;rf+rn b8+p ek/f9auis g 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 directfr alkrf;8+b+nu,0gne/s9 piion of the net torque on this system.
Post time 2025-2-18 20:00:22
