A wheel of mass M has radius R. It is standing vertically on the floor, and we want to exert a horizontal force Fat its axle so that it will climb a step against which it rests (Fig. 8–60). The step has height h, where h < R. What minimum force F is needed? R FIGURE 8-60 Problem 85.

Principles of Physics: A Calculus-Based Text
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Chapter11: Gravity, Planetary Orbits, And The Hydrogen Atom
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A wheel of mass M has radius R. It is standing vertically on
the floor, and we want to exert a horizontal force Fat its axle
so that it will climb a step against which it rests (Fig. 8–60).
The step has height h, where h < R. What minimum force F
is needed?
R
FIGURE 8-60 Problem 85.
Transcribed Image Text:A wheel of mass M has radius R. It is standing vertically on the floor, and we want to exert a horizontal force Fat its axle so that it will climb a step against which it rests (Fig. 8–60). The step has height h, where h < R. What minimum force F is needed? R FIGURE 8-60 Problem 85.
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