[问答题]
Two blocks, each of mass m, are attached to the en b /gk0f.6soya1 kgyo1ds of a massless rod bet-6o rdl)4yo)v(e * chwd s+which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then released. Calculate the magnitude a-lv+ sh)*)c o4e(dbed ryw6otnd direction of the net torque on this system.
Post time 2025-2-18 20:00:22
