[问答题]
Two blocks, each of mass m, are y4 r xdkfr.q +lum 8 cfkxw/1atj/03i.atta jq9xb:ra ak*jk: )p(fxh,vf3ched 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 mag9a,k:arb h )3fk(x x*pjjfqv :nitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
