For each of the scenarios, sketch and label vectors for velocity, acceleration, and net force on the car.

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Q: Fapp=60 N 'norm 30° Frict. = 0.3 - Farav= m=10 kg a= Fnet %3D

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Q: How do you assign direction to normal forces? Please use examples to demonstrate.

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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!