Gravesande, Willem Jacob 's
,
Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1
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PHYSICES ELEMENTA
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modo in hoc caſu ſeparatio determinetur in Scholio 2.
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<
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">Quomodo duo corpora, directionibus diverſis mota, in
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tertium eodem momento directè incurrentia hoc agitent,
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etiam explicabimus.</
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<
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">Dentur corporaA,B, directè eodem momento, velocitatibus
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quibuſcunque, incurrentia in corpus quieſcens C, directio-
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fig 6.7.</
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nibus AK, BK. </
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citas corporis A, & </
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D Fad K D normalis, & </
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efficiens; </
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">dividatur KD in H ita, ut KH ſe habeat ad
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HD, ut maſſa corporis A ad maſſam C; </
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videnda eſt KE in L, ut KL ſit LE; </
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">ut maſſa B ad maſ-
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ſam C. </
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">Ductis nunc F H, GL, ſeſe mutuo interſecanti-
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bus in N, linea K N ſitu directionem, & </
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citatem, demonſtrabit corporis C poſt ictum.</
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tinuant, cum nullâ actione horum directio mutari poſſit.
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perpendicularibus NI, NM; </
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K M corporis B velocitas poſt ictum.</
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non ſint elaſtica, ſeparari poſſint ; </
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ris B moveatur corpus C, eo quidem minuitur actio corpo-
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ris A, ſed non C ab A juxta directionem KD ſeparat; </
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enim C ab actione ipſius A ſubduceret; </
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& </
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<
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">idcirco ſi C percurrit AN, velocitate quam hac lineâ ex-
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primimus, movebitur A velocitate KI; </
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juxta directionem K D, nil continet præter velocitatem
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KI ; </
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<
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NO, NP, parallelis KE & </
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<
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porum A & </
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KP propelli, & </
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