Traction versus drag...?

Question

trying to find a formula about tires to calculate traction, then in turn a reverse formula that might indicate the drag the tire would create in towing.

Answer 1

It all depends on whether the tire is sliding or rolling. Here are some sites that include formulas.

http://en.wikipedia.org/wiki/Rolling_resistance

http://ffden-2.phys.uaf.edu/211_fall2002.web.dir/Ben_Townsend/StaticandKineticFriction.htm

http://www.roymech.co.uk/Useful_Tables/Tribology/co_of_frict.htm

Good Luck to you

Answer 2

Check the following web site:

http://www.schoolforchampions.com/science/friction_traction.htm