conservation of areas
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conservation of areas
[‚kän·sər′vā·shən əv ′er·ē·əz] (mechanics)
A principle governing the motion of a body moving under the action of a central force, according to which a line joining the body with the center of force sweeps out equal areas in equal times.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.