Mathematical elements of natural philosophy, confirm'd by experiments : or, An introduction to Sir Isaac Newton's philosophy (1747)
Gravesande, Willem Jacob 's, 1688-1742, Desaguliers, J. T. (John Theophilus), 1683-1744, tr, Adams, John, 1735-1826, former owner. BRL, John Adams Library (Boston Public Library) BRL · London : Printed for W. Innys, T. Longman and T. Shewell, C. Hitch ..., and M. Senex ... · leaf 252
t, the Body would continueits Motion in a right Line along the Tangent. A Stone whirld round in a Shng defcribes a Curve, becaufe theSling does every Moment, as it were, draw it back towards theHand; but, if you let the Stone go, it will fly out in the Tan-,gent of the Curve. ^ . -D E F I N I T I o… … Chap. 23- of Natural Philofophy, 129 De FINITION 2. But the Force, by ivhich a Body is drawn, or impcUd towards ^bi^.that Center, is calld a centripetal Force. Def in ition 3. Thefe Forces are by a common Name calld central Forces. 564. In all Cafes, the centrifugal and centripetal Forces are equal…
Physics · Natural Sciences
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