# Calculate rolling friction of car tire while driving with Velocity of tire, Temperature, pressure, fluids between contacts and possible obstacles.

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I am looking for a formula which calculates the force or the coefficient of friction for my car tire.

The formula should include the pressure of the Tire, the stiffness based on the given Material of the tire. Also the fluid which may be between the contact areas and even some obstacles.

I Would appreciate every resource you may have or hints how to calculate the friction.

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