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Q & A: friction and area

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Most recent answer: 06/23/2010
dose friction depends on the surface area ?
- sumanth (age 18)
Yes, but there's a standard rule-of-thumb approximation for the value of the friction force between solids which does not. This rule, taught in elementary physics courses, works surprisingly well.   See:

Mike W.

(published on 06/23/2010)

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