R E F E R E N C E S
Centripetal adj [NL centripetus, fr. centr- + L petere to go to, seek -more at Feather] [1709] 1: proceeding or acting in a direction toward a center or axis 2: Afferrent 3: tending toward centralization: Unifying
Centripetal Force n [1709]: the force that is necessary to keep an object moving in a circular path and that is directed inward toward the center of rotation [a string on the end of which a stone is whirled about exerts centripetal force on the stone]
[Merriam-Webster's Collegiate Dictionary, 10th Edition. Springfield, MA, USA: Merriam-Webster, Inc. 1995.]
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