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lift-to-drag ratio


'lift-to-drag ratio' can also refer to...

 

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(L/D)

The figure obtained by dividing the lift by the drag. Lift is the force acting on a body, perpendicular to the direction of motion. Drag is the retarding force acting upon a body, parallel to the direction of motion. The ratio is an important part of aerodynamics, and is used to calculate the path of spacecraft and aircraft as they travel through the Earth's atmosphere.

Subjects: Astronomy and Astrophysics.


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