[问答题]
Two blocks, each of mass m, are attached to the ends ojgbt8:gp8k bwkeuyc6* b)l8tl 0 (2icf 0h ,7mtezqqky 6m(a; b/spw7v a massless rod which pivots as shown in Fig. 8–40. Initially the rod is held in the horizontal position and then77 emwskh,at 0ybqp q m/6vz;( released. Calculate the magnitude and direction of the net torque on this system.
Post time 2025-2-18 20:00:22
