A car with a mass 1800 kilograms passes over a hill that follows an arc with a radius of 42 meters. a) If the car is moving with a speed of 16 meters/second at the top of the hill, find the normal force acting on the car. b) What g-force does the car experience? gravitational force. c) Determine the maximum speed the car can have at the top of the hill and still remain on the road.

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!