Borelli, Giovanni Alfonso
,
De motionibus naturalibus a gravitate pendentibus
,
1670
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petit diſtantiæ eius ab axe, tunc neceſſariò talis par
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ticula erit à rota disiuncta, & ſegregata. </
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AEH reuoluta circa cen
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trum D ſi eius particulæ
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A, B, C eodem
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tẽpore
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<
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ſcribunt</
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orbes AEH, BFI,
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CGL,
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eãdem
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proportio
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nem habentes quam di
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ſtantiæ à centro AD, BD,
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& CD tunc diſtingui non
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poteſt an prędictæ parti
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culæ ſint diſciſſæ vt arena,
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vel ſint agglutinatæ rotæ ſolidæ, propterea quòd id
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ipſum ſymptoma particulis duriſſimæ rotæ competit.
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circũducta
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rota particula A relicto orbe AHE
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excurrit per tangentem rectam AM, aut curuam ſpi
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ralem AN euidentiſſimum ſignum erit particulam A
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non eſſe annexam, & vnitam, ſed diuiſam à rota ſo
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lida, quia continentèr à centro D magis, & magis re
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mouetur vt in N, vel M. </
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Cap. 7. dę
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natura flui
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ditatis.</
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">Præterea ſi particulæ eamdem à centro
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diſtantiã
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retinuerint, & eodem tempore, quo rota integram̨
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reuolutionem BFB abſoluit, alia particula A, vel
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maius, vel minus ſpatium, quàm circulum AEA per
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ſicit, ſcilicèt percurrit arcum AEH, vel AEO, tunc
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euidentèr conſtat particulam A non eſſe agglutina
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tam, ſed diuiſam à rota ſolida. </
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<
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">Similitèr in motu directo aggregati AEH, ſi eius
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particulæ inæqualibus velocitatibus feruntur, ſcili-</
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