If friction forces don't vary with surf. area, why are race car tires wide?

Subject: If friction forces don't vary with surf. area, why are race car tires wide?

Date: Tue Sep 29 22:09:54 1998
Posted by Daniel Black
Grade level: undergrad
School: Auburn University
City: Auburn State/Province: AL
Country: USA
Area of science: Physics
ID: 907124994.Ph

Message:


Drag cars and Indy cars all have wider non-tredded tires.  If 
frictional forces applied by the road on the tire which result in 
accelaration for the vehicle do not depend on surface area, why are 
they wider and have no tred?

Re: If friction forces don't vary with surf. area, why are race car tires wide?

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