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名詞

centripetal force (countable and uncountable, plural centripetal forces)

1. (physics) The force on a rotating or orbiting body in the direction of the centre of rotation.
   • 1726, Isaac Newton, translated by Andrew Motte, Philosophiae Naturalis Principia Mathematica, published 1729:

     A Centripetal force is that by which bodies are drawn or impelled, or any way tend, towards a point as to a centre.

参考

• centrifugal force