[问答题]
Two blocks, each of mass m, are attached gne8w8; sjg w-bbg6n(n3fq v 1to the ends of a massless rod which piv s81g;6qw bj benvg-w3fn (ng8hk98sce1p ha9,jad i ;ots hk ;,19ijspd8 ahca9eas 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 system.
Post time 2025-2-18 20:00:22
