[问答题]
Two blocks, each of masstv2pp8 ,hh2g6 hpnta8 m, are attachey55u licitz7k4)l - emd to the ends of a massless rod which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then released. Calculate the magnitude and direction of the net totc5yliz 7m-4i u)5ekl rque on this system.
Post time 2025-2-18 20:00:22
