gc textbook chapter 8 Rotational Motion (id: d16c1a995)

[问答题]
A uniform rod of mastxruc 0cj5(-mv t0u-gs M and length L can pivot freely (i.e., we ignore frihapr; as iqa2pe-lq) :,lddp(ihc /2);6slia ction) 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 shown. [Hint: See Fihpqi6a 2 p) la eac/;al-i2(hdlss ,ip :q);drg. 8–21g.]

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