Philosophiae naturalis principia mathematica (1687)
Newton, Isaac, Sir, 1642-1727, Streater, Joseph, fl. 1687-1688, printer, Burndy Library, donor. DSI · Londini : Jussu Societatis Regiae ac Typis Josephi Streater. Prostat apud plures bibliopolas · leaf 190
; ob magnitudinem vis KL, magis diminuiturquam augeatur; eft autem vis illa centripeta ( per Corol. 2,Prop. IV. ) in ratione compofita ex ratione ftmplici radii SP di-recle & ratione duplicata temporis periodici invcrfe: patet hancrationem compofitam diminui pcr a&ionem vis KL, adeoq;… … minui minus quam in Radii hujus ratione fefquiplicata, per Co-rol. 6. Prop. IV. Si vis illa corporis centralis paulatim»languef-ceret, corpus P minus femper & minus attrachim perpetuo rece-deret longius a centro S; & contra, fi vis illa augeretur, accede-ret propius. Ergo (i a£Ho corporis…
Mechanics · Celestial mechanics · Gravitation
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