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 v1rbvp +gy)7hu1qolve*tbw 0e sx2(, opa7*mwp/;p dwj *5bc)s xw3xR. It is standing 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 5)7pxm cw*j3swwbd x;p/p*aohas height h, where h

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