[问答题]
Two blocks, each of mass m, are attached to the ends of a massless rod whehk b bdo)zg7 lzuj4oh).00s2ich pibiwk3 foet 8x:y6cp ;8vots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then released. Calculate the magnitude and direction of the net torqu tyk ow68x;38bic:pfee on this system.
Post time 2025-2-18 20:00:22
