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ShareFor a solid object moving through a fluid or gas, drag is the sum of all the aerodynamic or hydrodynamic forces in the direction of the external fluid flow.
It therefore acts to oppose the motion of the object, and in a powered vehicle it is overcome by thrust.
For more information about the topic Drag (physics), read the full article at Wikipedia.org, or see the following related articles:
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Drag (physics) at Wikipedia.org. See the Wikipedia copyright page for more details.
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