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What is friction?
What is friction?
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
What are the types of friction mentioned in the text?
What are the types of friction mentioned in the text?
The types of friction mentioned include dry, fluid, lubricated, skin, and internal friction.
Why is the calculation of friction from first principles difficult?
Why is the calculation of friction from first principles difficult?
The complexity of interactions such as inter-surface adhesion, surface roughness, surface deformation, and surface contamination makes the calculation of friction from first principles difficult.
What is one consequence of friction mentioned in the text?
What is one consequence of friction mentioned in the text?
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How is dry friction subdivided?
How is dry friction subdivided?
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