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 stafkf42b z71 gtwnding vertically oah3dqo(w-pi7r s*m k. n the floor, and we want to exert a horizont3 w*-.qm7(poahrsdk ial 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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