A car of a mass of 1000 kg was travelling up a hill that is inclined at an angle of 60 degrees to the horizontal with an initial speed of 30 ms-1. a) What is the normal force on the car? Give your answer to 2 decimal places. Normal force = b) What is the force in the direction of the car? Force = The driver stops accelerating up the hill c) What is the rate of deceleration? Give your answer to 3 decimal places. Deceleration= ms-2 d) How long will it take the car to stop? Give your answer to 2 decimal places. Time = e) How far will the car travel in this time? Give your answer to 2 decimal places. Distance =

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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!