[问答题]
Two blocks, each of mass m, are attachey.qn- 1u mgcgolnc 2- h;23jred to the ends z/ad .0qevc(i of a massless rod which pivots q/0. a(izecd vas shown in Fig. 8–40. Initially 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
