[问答题]
Two blocks, each of mass m, are attached toter9yex* r ) w/7)umy/y-eyt4sbnu 7k the ends of a massleewt) yd4eh./s ss rod which pivots as shown in Fig. 8–40. Initially the rod is hydeh/ws 4et).eld 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
