American Heritage® Dictionary of the English Language, Fourth Edition
- n. The component of force acting on a body in curvilinear motion that is directed toward the center of curvature or axis of rotation. Centripetal force is necessary for an object to move with circular motion.
GNU Webster's 1913
- adj. (Mech.) a force whose direction is towards a center, as in case of a planet revolving round the sun, the center of the system, See Centrifugal force, under Centrifugal.
- n. the inward force on a body moving in a curved path around another body
“Empedocles has the distinction of having introduced into philosophy the doctrine of four elements, or four "roots", as he calls them, namely, fire, air, earth, and water, out of which the centripetal force of love and the centrifugal force of hatred made all things, and are even now making and unmaking all things.”
“Costas pulled Jack closer, straining against the centripetal force of the whirlpool, and pressed his visor hard against Jack's.”
“Then a few puffs of gas vented, as the hull-plate seal was broken and the plate itself began to drift away from the curved pillar of the conduit structure, propelled by the centripetal force imparted by DS9’s rotation.”
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