An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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centripetal force
  نیروی ِ مرکزگرا  
niru-ye markaz-gerâ (#)
Fr.: force centripète  

The force exerted on an object in → circular motion which is directed toward the center and keeps the body in motion.
Centripetal force produces → centripetal acceleration, according to → Newton’s second law: Fc = mac. Its direction is always inward along the → radius vector, and its magnitude is given by: Fc= mac = mvt2/r = mω2r.

See also: → centripetal; → force.