No slip condition

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For an object moving along a surface on wheels, the no slip condition is a condition that the motion is always a rolling motion and that there is no slippage at the surface of contact. In particular, if we are using the Coulomb model of friction, then static friction is applicable.

The maximum magnitude of force along the surface that can be applied while maintaining the no slip condition is termed the traction of the object. The term is typically used for vehicles that travel on roads.