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

Table of figures

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              <s id="s.001607">
                <pb pagenum="306" xlink:href="010/01/314.jpg"/>
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              impellentis corporis, in illo verò caſu impulſio fie­
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              ret à diminuto gradu velocitatis eius, ſcilicèt ab ex­
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              ceſſu ſupra velocitatem fugientis corporis. </s>
              <s id="s.001608">Prætereà
                <lb/>
              in corporibus concretis non omninò duris, nouus mo­
                <lb/>
              tus imprimi non poteſt in inſtanti, ſed in tempore, vt
                <lb/>
              alibi oſtenſum eſt, non contactu ſimplici, ſed ſociali
                <lb/>
              motu mouentis, & mobilis, hoc autem faciliùs con­
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              ſequi poteſt in corpore aliquo quieſcente amouibi­
                <lb/>
              litèr, quàm ſi agitetur directè, vel tranſuersè. </s>
              <s id="s.001609">Hinc
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              colligitur falſum eſſe, quòd faciliùs impelli poſſet
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              corpus agitatum, quàm
                <expan abbr="quieſcẽs">quieſcens</expan>
              , ſi modò quies fue­
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              rit amouibilis, vt dictum eſt. </s>
              <s id="s.001610">Et profectò quies illą
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              particularum cuiuslibet corporis firmi, & duri noņ
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              erit amouibilis, ſcilicèt illæ particulæ non ſunt indif­
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              ferentes ad motum, cum non à qualibet exigua, & mi­
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              nima vi motiua moueri, & diuelli ab integra maſſą
                <lb/>
              dura queant, ſed requiritur inſignis
                <expan abbr="violẽtia">violentia</expan>
              vt par­
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              ticulæ aquæ glaciatæ à tota maſſa ſeparentur; ex quo
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              proinde inferre licet, quòd vt plurimùm figuræ præ­
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              dictarum particularum durum corpus
                <expan abbr="componentiũ">componentium</expan>
              ,
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              nec ſunt regulares, nec lęuigatæ, ſed miris modis an­
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              guloſæ, ramoſæ, contortæ, & vncinatæ, & proindè
                <lb/>
              partes eius aſperæ, & anguloſæ ſeſe contingentes, &
                <lb/>
              viciſſim vna intra ſpatium alterius inſinuata, poſſunt
                <lb/>
              mutuò ſatis benè congruere,
                <expan abbr="cõponereque">componereque</expan>
              quaſi pa­
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              uimentum, & opus teſſellatum, & ſic non poteſt vna
                <lb/>
              particula ex toto aggregato diuelli extrahique, noņ
                <lb/>
              quidem propter eius quietem, aut defectum motus,
                <lb/>
              ſed tantummodò quia eius concatenata ſtructura dif­
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              ficilè diſ ſoluitur. </s>
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