A car travels on a circular road with radius R and banking angle   chosen so that at the speed v the friction force vanishes (the optimal  banking). What is the friction force acting on the car of mass m on this road at rest? Investigate the cases of small and large v

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Q: 0.09 and where

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Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”