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Tire Traction Breakaway Equation and Calculator

Mechanics And Machine Engineering and Design

Tire Traction Breakaway Equation and Calculator

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Tire Traction Breakaway Equation and Calculator 

Tire Traction Breakaway Equation and Calculator Traction, or tractive force, is the force used to generate motion between a body and a tangential surface, through the use of dry friction, though the use of shear force of the surface is also commonly used.

Symbols used:
µ_o=coefficient of adhesion
R_w =load on wheel considered

The horizontal force at which slipping occurs:

F_m = µ_o R_w

Typical values coefficient of friction

Description	µo
Concrete/asphalt, dry	0.8 - 0.9
Concrete/asphalt, wet	0.4 - 0.7
Gravel, rolled, dry	0.4 - 0.7
Gravel, rolled, wet	0.6 - 0.7
Clay, dry	0.3 - 0.5
Sand, loose	0.5 - 0.6
Ice, dry	0.2
Ice, wet	0.1