[问答题]
Two blocks, each of :q, vf, 1owu:dth odk+7q.ez solu(o-/cf (* untdp5 1psmp;q mass m, are attached to the ends of a massless rod which pivots as shown in Fig. 8–40. Initially the rod is d t/(zn7;-(qp*pocufopm.1 e5 sq lusheld 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
