Does friction depend on the area between bodies thats in contact?

Asked Apr 27 '13 at 16:46

Active Apr 27 '13 at 16:54

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Does friction depend on the area between bodies thats in contact? If yes why we make threads on vehicles tires and below shoes? Does it not cause reduce in friction?

edited Apr 27 '13 at 16:54

Qmechanic

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asked Apr 27 '13 at 16:46

John Doe

Does friction depend on the area between bodies thats in contact?

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