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uniform circular motion

   Also found in: Acronyms, Wikipedia 0.02 sec.

uniform circular motion

Motion of a particle moving at a constant speed on a circle. Though the magnitude of the velocity of such an object may be constant, the object is constantly accelerating because its direction is constantly changing. At any given instant its direction is perpendicular to a radius of the circle drawn to the point of location of the object on the circle. The acceleration is strictly a change in direction and is a result of a force directed toward the centre of the circle. This centripetal force causes centripetal acceleration.


uniform circular motion [′yü·nə‚fȯrm ′sər·kyə·lər ′mō·shən]
(mechanics)
Circular motion in which the angular velocity remains constant.


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