[问答题]
Two blocks, each of mass m, are attached to the ends of a masslesgv ( j9h ;r*/z0xfhnybs g,9vs c smn28grod which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then released. Calculate the magnitude and dsn,m 92sv8gcg irection of the net torque on this system.
Post time 2025-2-18 20:00:22
