gc textbook chapter 8 Rotational Motion (id: d16c1a995)

[问答题]
A uniform rod of mass M and(cc.gwc4u gdtqkde 3ie/ j8dv( 6id 4)tb5qzmo+o qli*nnv96r2w1q6 pa9o5zo j -oc5 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 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 theqz p9z 51*o+6 or5c ovq2-anwqmoitnbj56lo9 center of mass of the rod, as shown. [Hint: See Fig. 8–21g.]

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