[问答题]
Two blocks, each of mass m x ven1pf*z;m/uv2ybc+atv7 *qx-bh 6 , are attached to the ends of a masslesqjx wr-.ktt 2 ;zr)yo5s rod which pivots as 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 systemy tjt qwrr);x5k2-z.o.
Post time 2025-2-18 20:00:22
