[问答题]
Two blocks, each of mass m, are attached to the ends of1wrvt(s3 qruuy63 a5s a massless rod whic :2(+3 nm dz.va rhjhj4x1kfvy(z9x tzh pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then released. Calculate the magnitude and d:rhyt 3x+znxmdj zz (4h(21 kfvv9.aj irection of the net torque on this system.
Post time 2025-2-18 20:00:22
