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Questions and Answers
What is the force that opposes motion between two surfaces that are in contact?
What is the type of friction that occurs when an object is moving?
What is the force of friction proportional to?
What is the purpose of lubricants in reducing friction?
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What is the type of friction that occurs when an object is rolling?
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What is the main advantage of reducing friction in machines?
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What is the direction of the force of friction?
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What is an example of static friction in everyday life?
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Why is rolling friction less than kinetic friction?
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What is the term for the force that helps prevent objects from moving when they are stationary?
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