[问答题]
Two blocks, each of mass m, are attached to sv y;-h x1cwnewo8t:an/9z)so2u9x ethe ends of a ma74 acr1hmfu y- x;t1rissless rod which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal positio; xacirfuh4 -rm17 1tyn and then released. Calculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
