gc textbook chapter 8 Rotational Motion (id: d16c1a995)

[问答题]
A uniform rod of mass M and length L can pivot frk0 s2gx5 kq0ifeel de l35pjn62bru a *6h s7,igk-fdq,vly (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 mass of the rod, as sho2,dfp kg ,ur laihj75e6v nl6qd*3bs -wn. [Hint: See Fig. 8–21g.]

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