[问答题]
A uniform rod of mass M and length
)-:gq9m;y5cer vdb uk L can pivot freely (i.e., we ignore f
l zp-l1ooy 0e9dw -b(b:n3 girriction) about a hinge attached to a wall, as in Fig. 8–54. The rod is held horizontally and then released. At the moment of release, determine (a) the angular acceleration of the rod, and (b)
erlb3(g nwood 1-:yz09 b-i plthe linear acceleration of the tip of the rod. Assume that the force of gravity acts at the center of mass of the rod, as shown. [Hint: See Fig. 8–21g.]
Post time 2025-2-18 20:00:22
