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Introductory Physics Homework Help
Optimizing Skate Velocity: Static vs. Kinetic Friction
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[QUOTE="haruspex, post: 5001308, member: 334404"] What lines? Have you left out some of the problem statement? I would have guessed the distance between the feet, but 5m stretches more than just the imagination. Friction, whether static or kinetic, opposes relative motion of the surfaces in contact. It will work in the direction of motion of the body (skater, walker, car, train...) if the part in contact with the ground is trying to go the other way. [/QUOTE]
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Introductory Physics Homework Help
Optimizing Skate Velocity: Static vs. Kinetic Friction
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