centrifugal force noun
physics : a force that causes an object moving in a circular path to move out and away from the center of its path
: the apparent force that is felt by an object moving in a curved path that acts outwardly away from the center of rotation — compare centripetal force
First Known Use of CENTRIFUGAL FORCE
centrifugal force noun (Concise Encyclopedia)
Fictitious force, peculiar to circular motion, that is equal but opposite to the centripetal force that keeps a particle on a circular path (see centripetal acceleration). For example, a stone attached to a string and whirling in a horizontal circular path is accelerated toward the centre of its path by the tension in the string, the only force acting on the string. However, in a reference frame at rest with the stone, another forcethe centrifugal forcemust be introduced for Newton's laws of motion to apply. Centrifugal force is a useful concept in analyzing behaviour in rotating systems.
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