[问答题]
Two blocks, each of mass m, are attac;hg72dlmg x q6hed to the e wa5xq .bsf-x/nds of a massless rod which pivots as shown in Fig..- /asfb xw5qx 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
