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 radiu +dgar+ 3:jb7bb7 v ctk,wb2whs R. It is standing verth 2 f-b;mna*bpj6tdk)ically on the floor, and we wantm2) ;tpjh nd 6bkba*f- to exert a horizontal force F at its axle so that it will climb a step against which it rests (Fig. 8–55). The step has height h, where h

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