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 ve-bvc*v;27arzqygo s j,*wls3jo 5 ,kzrtically on the floor, and we ky rgn( ,ypl,/y(j+-:my -gs iq2bkx wwant to exert a horizontal force F at its axle so that it will climb a step against whim,(bgy:q(n2yp s-xy yk/+r-ikgl j, wch it rests (Fig. 8–55). The step has height h, where h

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