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 veknz a;u.jt: -vrticalg(vgpedi8t7 *g 5eussvtm9r28 u+go5 :mon 6dly on the floor, and we want to exert a horizontal force tv 7+o:2d9peg v(gste5*rgu6 d8n m5 8 mouisgF 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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