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3. How does static friction differ from kinetic friction?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter6: Applications Of Newton’s Laws Of Motion

Section: Chapter Questions

Problem 24PQ: Lisa measured the coefficient of static friction between two pairs of running shoes and the track in...

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!

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1. Why does static friction has a higher value than the kinetic friction? Explain this comprehensively and please, do not just copy from somewhere.
Which type(s) of friction is proportional to the normal force between two surfaces? Select one: a. Static friction. b. Static and kinetic friction. c. Not any types of friction. d. Kinetic friction.
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