[问答题]
Two blocks, each of mass m, are attached to the j8fm y2-kt))wz(xw j chht8(cfxzg -:ends/sglu ugw, 06xft x,;p of a massless rod which pivots as shownp,f/; xu6 0u,gsl xwgt 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
