[问答题]
Two blocks, each of mass m, are attacheqo s 9rfr *y6p36-skal c;1kcket7 mg*d to thf zzn v9ba98+-4ykybz7 eejk5s3 e4ty e ends of a massless rod which pivots as shown in Fig.ez7k83k-9zvsen9yt4y 5eb+4 aybj fz 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
