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

[问答题]
A wheel of mass M has radrowb1-m nlt .8mse1d/ x(hcm(i6gmr ;kaj*s*+jn g,zxus R. It is standing vertically on the floor, and we want to exert a horizontal force F at its axle so that it gn * gjz k+s,;ra*mxj6will climb a step against which it rests (Fig. 8–55). The step has height h, where h

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