Re: Why is it "static friction?"

[Brian Whatcott <betwys1@SBCGLOBAL.NET>]

At 03:02 PM 11/13/2003, Ludwik, you wrote:
> ///"the force in the radial direction
> acting on the car is the force of static friction directed
> toward the center of the circular path." If the static
> friction force is the effect then where is the causing
> force? I am not convinced that the centripetal force,
> acting on a turning car, is the static friction force (as
> it was introduced in the first paragraph above).
> Ludwik Kowalski


When there is a force which can be modeled as a sidewards
push on a (turning) vehicle, the motion of the wheels is at some
angle to the direction of the rims: this angle is greater for
radial tires with their more compliant sidewalls, than for
cross-ply tires



Brian Whatcott    Altus OK    Eureka!