[问答题]
Two blocks, each of mass m, are ;4ahn hk;5lc /2blej uattakhs3cuy*6 f 3pbma203m geb9)o7c ba yched to the ends of a massless rod which pivots as shown in Fig. 8–40. Initially the96f s7c 0*eyu2 aybp hmm 3ck)bbo33ga 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
