Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

Table of figures

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              <s id="s.001599">
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              nimirum particulæ aquæ glacialis virtute ſimplicis
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              earum quietis fluiditatem amittant; ait ipſe:
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              multò fa­
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              ciliùs moueri poſſe corpus quodlibet in motu constitutum,
                <expan abbr="quã">quam</expan>
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              ſi quieſcens, & stabile eſſet, quia in primo caſu non est neceſ­
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              sè, vt producatur, vel creetur motus, cui corpus quodlibet ob
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              naturalem ſuam inertiam reſistit, ſed
                <expan abbr="tãtummodò">tantummodò</expan>
              vt mo­
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              tus ipſe hactenùs existens, & vigens in eodem corpore diri­
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              gatur.
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              Cap. 7. dę
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              natura flui­
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              ditatis.</s>
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              PROP. CXLIV.
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              Motus, & impetus non faciliùs imprimitur in corpus agi­
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              tatum, quàm quieſcens, ſi tamen eius quies
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              fuerit amouibilis.
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              <s id="s.001603">AT ipſe in hoc ei aſſentiri nullo modo poſſum,
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              nam licèt verum eſſet, quòd faciliùs impelli
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              poſſet corpus in motu conſtitutum, quàm quieſcens,
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              non in de ſequitur ſimplicem quietem particularum̨
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              fluidi duritiem eius creare. </s>
              <s id="s.001604">nam videmus arenæ cu­
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              mulum ſolummodò acquirere conſiſtentiam, & duri­
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              tiem, quando glutine, vel arctiſſima vnione, & angu­
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              lorum mutua inſinuatione connectuntur eius grana,
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              vt in pauimento contingit, non verò quando arenæ
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              particulę diſſolutæ placidiſſima quiete ſe mutuò tan­
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              gunt, igitur eodem modo aquæ particulæ læues, diſ­
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              ſolutæ, tranquilliſſima quiete ſe mutuò tangentes
                <expan abbr="">non</expan>
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              efficient duram, & rigidam connexionem glacialem.
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              <s id="s.001605">Prætereà ſi corpus aliquod in quiete amouibili fuerit
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              conſtitutum, ſcilicèt ſi indifferens fuerit ad motum̨ </s>
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