[问答题]
A uniform rod of mass M and length L can p
b d/fhyf ku5q-n2:1 xbivot
d 6do86lnssb3 freely (i.e., we ignore friction) about a
36do8sbl 6n dshinge 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 mass of the rod, as shown. [Hint: See Fig. 8–21g.]

