1.) What is most important to achieve maximum performance from an Audi?
2.) Aerodynamics that reduce drag and increase down force.
3.) At over 200mph a car needs over 4000lbs of down force to keep the car from lifting.
-Drag increases the air resistance a car has, inhibiting effective power the engine can put down.
-A low center of gravity on the car keeps the air flow under the car moving smoothly, which pushes the car down. More down force makes turning easier.
4.)http://auto.howstuffworks.com/auto-racing/nascar/nascar-basics/stock-car-aerodynamics.htm
GlennResearchCenter/NASA.com
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