[问答题]
Two blocks, each of mass m, are attached to the ends of aa8w:su,t8bd yc jcz26 massless rqme((pl: h0 *2svutwmod which pivots as shown in Fig. 8–40. Initially the rod is h( wmhsuv*ptl0q (m2:e eld 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
