A 1500 kg car enters a section of curved road in the horizontal plane and slows down at a uniform rate from a speed of 100 km/h at A to a speed of 50 km/h as it passes C.
The radius of curvature p of the road at A is 400 m and at C is 80 m.
Determine the total horizontal force exerted by the road on the tires at positions A, B, and C.
Point B is the inflection point where the curvature changes direction, s is the length of the road ABC in meters
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