[问答题]
Two blocks, each of mee0o8gdfn y,5 ass m, are attached to the e3n+pehy2.p0 manv0 2lrg)3mlgd p l fvl 5w/4ands of a massless rod which pivots as shown in Fig. 8–40. Initially the rod is hf wa 35vh .nlmg) n3l4a2pryvm02pp/+g0l edleld 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
