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 standing(5wigf zt+. v0uawvs1 vertically on the floorfen;(gad 4d.m , and we want to exert a horizontal force F at its axle so that it will c4. dg(fd;nme alimb a step against which it rests (Fig. 8–55). The step has height h, where h

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