[问答题]
Two blocks, each of mass m, )+**;i9-g rr 6v; ubjmvnfk 3ntjataaare attachzx2+ k5f fgcgii6 5( q0*7 cqbjisru5ced to the ends of a massless rod which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then released. Calculate the magnitude and d(i5 uc xk25i +c*g 7jgz5brqc6qsi 0ffirection of the net torque on this system.
Post time 2025-2-18 20:00:22
