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 radius R. It is ssab0ba6jw ; j3bf 1v6d6th) xltandingbt*bw sd7w5.i; +.md0dzbyad vertically on the 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 step has height h, w.d*id.d; 0 wbb5y7smdw tab+zhere h

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