[问答题]
A uniform rod of mass M an
ko)j zzm )4bgw(h8g m3d length L can pivot fre
6kus+j5y3gn 0 g nt b+4aslenh)2jgk3ely (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 gravit
)hsbnyj64 sk 3e5+la+tg302 ngj ukngy acts at the center of mass of the rod, as shown. [Hint: See Fig. 8–21g.]
Post time 2025-2-18 20:00:22
