[问答题]
Two blocks, each of mass m, are attached to the endsmyua ze4e7g fzqbr,: q4+)7zl of a masslbon hswu45t86r02r-aykr9l n ess rod which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then rell-k5 rsna 8w ryh6or20bu94tneased. Calculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
