[问答题]
Two blocks, each of mass m, are attachedwn-bgw 2e*x4g to the ends of a massless rod whiu4 mepj2h,r4jmi1qc (i13 t( xzp v2krch pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal pr2(ivq2prem(p h1z ,1uj 34mt xckj i4osition and then released. Calculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
