[问答题]
Two blocks, each of mass m, are attachei74j;iuk4r h mbj01k ed to the ends of a massless rod which ,09 8ee6rg8pkqnfwp u pivots as shown in Fufnk0rwe6pq,e 9g8p 8ig. 8–40. Initially the 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
