[问答题]
A uniform rod of mass
)h+tza l/ mn3i9gftf ho*8wih ,2 nj2j M and length L can pivot freely (i.e., we ignore friction) about a hinge attached to a wall, as in Fig. 8–54. The rod is held horizontally and then relea
f 9nt2f8j wg,hhijo*2sed. 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.]
Post time 2025-2-18 20:00:22
