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Unread 31-12-2002, 14:26
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Woops we answered the question at the same time. Heheh. Anyway traction is what he was thinking of which is dependent on surface area.
Quote:
The traction in tires is different than the standard force of friction that most physics textbooks talk about. In automobile tires, the edges of the treads are a major factor in preventing sliding. They account for much more traction or friction than the coefficient of friction of the rubber on the pavement. Of course, a wider tire would usually have more treads than a thin tire.
The reason why they make racing tires hot is that they need to get sticky or else there is only the traction from the edges of the tire.
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