[问答题]
Two blocks, each of mass m, are attached to the ends of a mbuh du2b9jzk6x4 +,gxassless 1v4zac lcs: 2h96o4p vr)k pypz+/daa rod which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then released. Cl9 )4h p+vdkaacvp6yarop1 4zz:2/c salculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
