Suppose that a 1000 kg car is traveling at 25 m/s (55 mph). It brakes and slides across the road with a force of friction of 5000 N acting on it.  What is the minimum distance required for the car to stop? Make a quantitative force diagram. Write a force (N2L) equation for the axis along which forces are not balanced.

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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!