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A 3800 kg car travels round an unbanked corner(i.e. a horizontal road) at the recommended speed of 65 km h-1. The radius of curvature is 80m.
1) What is the force that the road exerts on the car to keep it in motion around the corner?
2) What forces would the road need to exert if the car was traveling at 100 km h-1?
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