[问答题]
Two blocks, each of mass m, are attached to tqvyo szw-3+i -he endi:a( q; iot.hrs of a massless rod which pivots as shown in Fig. 8–40. Initially the rod is hel; i. q(ra:ithod 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
