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Without getting technical; The pressure differential is caused by the shape of the wing. The bottom is essentially flat while the upper part has a curve to it. As air passes over it, it must travel further past the curve but it still meets up with the air that went under the flat part of the wing at the same time. Since it covers a longer distance in the same time it has to move faster. That speed lowers the air pressure. If you want to see that in action, hold a piece of paper out flat and blow air above it, you will see it rise.

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Q: Why does the air pressure above an airplane wing differ from the pressure below it?
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Related questions

When an airplane is flying how does the air pressure above a wing compare with that below the wing?

In flight, the air pressure above the wing is less than that below it.


Why does the air pressure above an airplane wing differ from the pressure below it how is this pressure difference involved in flight?

Air pressure above the wing is relatively smaller than that below the wing because that is what generates the lift the plane needs to fly into the sky, but if it is the other way round, the lift won't be generated and the plane will remain on ground.


Why does the lift on an airplane wing increase as the speed of the airplane increases?

The pressure above the wing be Save comes less than the pressure below the wing.


What type of air is above an airplane wing when it is flying?

The air above an airplane wing in flight is at lower pressure than the air below the wing. Hope this helps.


Air above an airplane wing is moving faster than air below an airplane wing This causes the plane to?

Low pressure is created over the top of the wing while higher pressure is below the wing which generates lift.


What two factors determine the amount of lift achieved by an airplane?

velocity and the difference in pressure above and below the wings


What is an analogy for above?

above - sky as below - ground above - airplane as below - subway


What happens when air above an airplane wing is moving faster than air below an airplane wing?

From Bernoulli's theorem this results in the air above the wing to form a low pressure compared to the air beneath the wing. High pressure moves to low pressure so you get lift


What is the upward force acting on the wing of an airplane in flight?

It's called "lift" and is the difference in air pressure between above and below the wing.


When an airplane is ascending is pressure greater above the wings or below the wings?

Faster-moving air across the top of the wing lowers the pressure there. For a plane to ascend, the pressure must be sufficiently lower on top of the wing, and it will be forced upward by the greater pressure below the wing.


How does an airplane stay up in the air?

Winglift.Lift is pressure on the wing due differential air pressure below and above wing. This difference results from the difference in curvature of the wing top and bottom..


What does the increased pressure below an airplane's wing cause?

Lift.