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March 27, 2017

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A 14,300 N car traveling at 46.0 km/h rounds a curve of radius 2.30 x 10^2 m.

What is the minimum coefficient of static friction between the tires and the road that will allow the car to round the curve safely?

  • Physics - ,

    When friction is used to counteract centrifugal force, the side friction factor, f, between the tires and roadway is incorporated into the calculation for the superelevation angle. (the angle of road banking where friction is not needed)
    tan@=[(Vt)^2-(f)(r)g]/[(r)g+f(Vt)^2]
    (Vt)=vehicle velocity
    (f)=friction coeff
    (r)=radius of turn
    (g)=gravity constant
    If the road embankment is zero, set @=0 and solve for your friction (f)

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