[问答题]
Two blocks, each of mass m, are attached to mv76 fmknlyi ew 5l jqi0-w62*,ji,ah the ends of a massless rod whichzeolu6g1cx7cy gi2 ifw - 22+llap; 5x pivots as shown gy22iw-ziexclo2af17c;56 xg u ll+pin 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
