question archive 5) The reason an airplane wing creates lift when it is moving is that the A) air will be deflected downward when it hit the wing
5) The reason an airplane wing creates lift when it is moving is that the A) air will be deflected downward when it hit the wing
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5) The reason an airplane wing creates lift when it is moving is that the A) air will be deflected downward when it hit the wing. Airplane B) air will be deflected upward when it hit the wing. C) wings are thick enough to create a significant pressure difference between the top and bottom surfaces of the wings because of the different heights of these surfaces. D) air moves more rapidly past the lower surface of the wing than past the upper surface. E) air moves more rapidly past the upper surface of the wing than past the lower surface.
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E. Air moves more rapidly past the upper surface of the wing than past the lower surface.
A wing is shaped and tilted so the air moving over it moves faster than the air moving under it and as air speeds up, its pressure goes down. So the faster-moving air above exerts less pressure on the wing than the slower-moving air below and the result is an upward push on the wing—lift.
A wing lifts when the air pressure above it is lowered, it's often said that this happens because the airflow moving over the top, curved surface has a longer distance to travel and needs to go faster to have the same transit time as the air travelling along the lower, flat surface.
