Marci of Kronland, Johannes Marcus
,
De proportione motus figurarum recti linearum et circuli quadratura ex motu
,
1648
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viferatur mobile, minor eſt motus. </
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<
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>Ita in aquâ ob ſolidita
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tem & reſiſtentiam maiorem ad minus intervallum plaga cum
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motu terminatur. </
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<
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>An igitur licebit ex proportione motûs
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in diverſis
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elemẽtis
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coniecturam ſumere illorum gravitatis? an
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præter
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gravitatẽ
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tenacitas partium huc facit? utlicet æquè gra
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ves, non
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tamẽ
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eadem facilitate findantur: cùm & ab eadem
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gravitate percuſſio fiat inæqualis. </
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<
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>At verò ſi motus eſt per
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cuſſio continuata; an poſito vacuo nullus erit motus? an ſem
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per movebitur illud mobile? cùm nihil percuti poſſit,
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neq;
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ab
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ullo minuatur impulſus. </
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<
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>Deinde quâ ratione ſpiritus moven
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tur, ſi nullus illorum eſt tactus? an non neceſſe eâ ratione mo
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veri, quâ corpora, tranſito priùs medio? cùm diaſtima ſit cor
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porum, non verò ſpirituum: qui neq, ſibi ſunt vicini,
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neq;
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cor
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poreis abſunt intervallis: cùm
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loco capiantur. </
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<
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>Per accidens tamen moveri videntur, & motum corporeum
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adumbrare, per operationem ſenſibilem in medio factam. </
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<
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>Quòd ſi ergo ſpiritus ille, qui pacem hic turbat, velit Roma
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nos inquietare; non neceſſe hunc per Venetos & loca media
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ire, at ſi illam columnam, quam| ferunt Româ huc delatam,
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eò referre velit; celeritatem habebit definitam, et non niſi per
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loca interiecta movebitur. </
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<
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>Notandum Tertio, impulſum alium habere proportionem
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ad mobile loco movendum; alium non: ut licet nulli hæreat,
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inſiſtatq;
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non tamen ex lllâ percuſſione ad motum incitari.
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atq;
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hic impulſus,
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quandoq;
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totum mobile,
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quandoq;
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non niſi
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aliquam partem pervadit. </
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<
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>Et quod attinetilla corpora, quæ
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percuſſa loco moventur, in quâ proportione eſſe debeant, di
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ctum in porismatis ad prop: 37. </
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<
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>Dubitatio tamen eſſe poteſt,
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quamobrem percuſſo maiori quieſcente
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motoq;
">motoque</
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minus
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quan-doq;
">quan
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doque</
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reſiliat, nam totam dedit plagam; & cùm moveatur </
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