[问答题]
Two blocks, each of mass m, aryl5y)m ajew7/ qc ej1 ew7uf z d6ngy;.*;y,lme attached to the ends of a massless rod which pivots as shown iz6 y;ude n 1wyg 7qml;.fe,*jcn 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
