[问答题]
A uniform rod of mass M
5p-oavkgxs; wyp,s;p n;;y b1 and length L can pivot fr
jic ) f*u(*brgdwo6kfp6*0zb eely (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 (
()f*jdpoib 0kr6 wgf*bc *uz6b) the 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.]

