Solved: A wheel of mass M has radius R. It is standing
Chapter 8, Problem 79(choose chapter or problem)
A wheel of mass M has radius R. 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 has height /?. where h < R. What minimum force F is needed?
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