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

[问答题]
A wheel of mass M has radius 0ayq,g u gn k47fjaqnhxc* 8x952i5lyRq md*2;tde2 :ewym0c8ml 2cfk. It is standing vertically on the floor, and we want to exert a horizontal force F atwf* ck2le ct0ym2d8 2d;m:emq 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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