[问答题]
Two blocks, each of mass m, are attached to the r6;4k w* ojad6:d5 lb k(hlnaiends of a massless rod which z ;wu78u il/vpajws +6pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then released. C8/s ipjuw +aluv 6w7z;alculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
