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Old Sep 14, 2012, 08:09 PM
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United States, UT, Salt Lake City
Joined Oct 2007
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Quote:
Originally Posted by ShoeDLG View Post
When you push a car, the force you are applying is in the direction of the car's motion... it does work. A wing's lift force is perpendicular to the motion of the wing... it cannot do any work. When you lift water, you move it in the direction of the applied force. A wing does not move in the direction of the lift force.
Yup--
What does the work which keeps a glider aloft at a constant altitude?
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