gc textbook chapter 8 Rotational Motion (id: 5edd6fe9f)

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[问答题]
A wheel of mass M has radiusqr2 .v /ukzc5v R. It is standing vertically on (tk ,w. lljsjs2 zb+wd a21pu1the floor, and we want to exert a horizontal force F at its axle so that it will climb a step against which it rests (Fig. 8–55). The stpk+a (2jd 2u 1bll,sjtzsw. w1ep has height h, where h

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