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# 2000 N - PowerPoint PPT Presentation

A car is driven from rest. Since it is at rest, the air resistance = 0 N Engine force = 2000 N The car accelerates. 2000 N. Air resistance increases as speed increases. The car still accelerates. Resultant Force = 1700 N. 300 N. 2000 N.

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## PowerPoint Slideshow about ' 2000 N' - ailani

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2000 N

### Air resistance increases as speed increases.The car still accelerates.Resultant Force = 1700 N

300 N

2000 N

Air resistance continues to increase until it becomes EQUAL to the engine force.The car does not accelerate any longer and moves at constant speed. The resultant force = O N

2000 N

2000 N

Suddenly a cat crosses the road!The driver applies the brakes and the frictional forces are greater than the engine force.The car decelerates.The resultant force = - 6000 N

8000 N

2000 N