gc textbook chapter 8 Rotational Motion (id: d16c1a995)

[问答题]
A uniform rod of mass M and leng iej6dim ddi+rv-w/1od f6n1,ow a59 cth La0+l3:uep,f( lnc h mp can pivot freely (i.e., we ignore friction) abfc0h,al plu :mn(3p+eout 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 Fig. 8–21g.]

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