[问答题]
Two blocks, each of mass m, are attached t g d)(cbpp0dglw;t-uv t6.t( yo the ends of a massless rod,xk qaot qpc:s9.25bm which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position an9p 5c 2.qqkmbxast,o :d then released. Calculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
