[问答题]
Two blocks, each of mass m, are q3rksfmsr)o3-6wq 5a w3ss u7attachel:0s25nd(9iey) er amrn+ vwnd to the ends of a massless rod which pivots as shown in Fig. 8–40. Innns+ aewm0y:l9n 5 2(irverd )itially 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
