[问答题]
A uniform rod of mass M and length L can pi
.5 s 2)9pyz)h8m vbslbz/qhe qvot free
hsqegs3dplaj ,/u9*l ( yeyerz8- p6/ly (i.e., we ignore friction) 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) the linear acceleration of the tip of the rod. Assume that the force of gravity acts at the center of
(r*a/83/l-ed ssqz ,ypjehg6 uelyp 9 mass of the rod, as shown. [Hint: See Fig. 8–21g.]

