gc textbook chapter 8 Rotational Motion (id: 5edd6fe9f)

[问答题]
A wheel of mass M has radf8m bcnbo3+fh ;l l5jy b/--jpius R. It is standing ver,a -6wcropmrmah). 9ea)gy ;t tically on the floor, and we want to exert a horizontal force F at its axle so that it will climb a step against6 )y9tecgr-p . o;mw amahr,)a which it rests (Fig. 8–55). The step has height h, where h

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