A \(1500-\mathrm{kg}\) car enters a section of curved road in the horizontal plane and slows down at a uniform rate from a speed of \(100 \mathrm{~km} / \mathrm{h}\) at \(A\) to a speed of \(50 \mathrm{~km} / \mathrm{h}\) as it passes \(C\). The radius of curvature \(ho\) of the road at \(A\) is \(400 \mathrm{~m}\) and at \(C\) is \(80 \mathrm{~m}\). 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.

Transcribed Image Text:

p = 400 m n HC 200 m B p = 80 m