[问答题]
Two blocks, each of mass m, are attachetoldef sq zub.b5m16hbe)2 -e 9-iw1gd to the ends of xlt a.hzj1(:9o :i,fh3j pq7a klrp) jc-.nxa 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 direction of the net torque on this sys:lfi.j h q 1x(3ta:aa-xhz, o7rnp9 jpk)c j.ltem.
Post time 2025-2-18 20:00:22
