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

List of thumbnails

< >
391
391
392
392
393
393
394
394
395
395
396
396
397
397
398
398
399
399
400
400
< >
page |< < of 579 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.002687">
                <pb pagenum="506" xlink:href="010/01/514.jpg"/>
                <arrow.to.target n="marg710"/>
                <lb/>
              ſitum, qui fieri poteſt nedum in fluido, ſed etiam in
                <lb/>
              ſpatio inani, per quamlibet directionem, quam im­
                <lb/>
              preſſa vis motiua deſignauerit, ergo licèt in vacuo di­
                <lb/>
              rectiones infinitę in eo deſignabiles non ſint deter­
                <lb/>
              minatæ, nec habeant nomina propria, non proindè
                <lb/>
              ſequitur non poſſe in eo deſignari, & ſic effici motus
                <lb/>
              per quamcumque directionem. </s>
            </p>
            <p type="margin">
              <s id="s.002688">
                <margin.target id="marg709"/>
              Cap. 8.</s>
            </p>
            <p type="margin">
              <s id="s.002689">
                <margin.target id="marg710"/>
              Cap. 12. dę
                <lb/>
              vacui neceſ­
                <lb/>
              ſitate.</s>
            </p>
            <p type="main">
              <s id="s.002690">Quartò ſic ait,
                <emph type="italics"/>
              mouentur proiecta ex eo quod quando
                <expan abbr="nõn">non</expan>
                <lb/>
              tanguntur, tunc ob anthiprestaſim, aut quia pulſus aer mo­
                <lb/>
              tu pellit celeriori, quàm ſit ea latio pulſi, at in vacuo nihil
                <lb/>
              horum eſſe potest, neque fit vt quicquam feratur niſi vt
                <lb/>
              quod vehitur.
                <emph.end type="italics"/>
              </s>
              <s id="s.002691"> Vt pateat in efficacia argumenti Ariſto­
                <lb/>
              telis, concedatur, quod in vacuo ob carentiam medij
                <lb/>
              fluidi proiectio fieri non poſſit, non inde ſequitur va­
                <lb/>
              cuum minimè dari poſſe, nam remaneret ſolummodò
                <lb/>
              motus naturalis in vacuo, & hic
                <expan abbr="vnã">vnam</expan>
              cum proiectitio
                <lb/>
              in pleno fluido fieri poſſet, neque Ariſtot. oſtendit
                <lb/>
              hoc eſſe abſurdum. </s>
              <s id="s.002692">Omitto falſiſſimum eſſe proiecta
                <lb/>
                <arrow.to.target n="marg711"/>
                <lb/>
              moueri à medio fluido poſtquam à proijciente deſe­
                <lb/>
              runtur, ſed à vi motiua ipſis communicata promoue­
                <lb/>
              ri, vnde ſequitur, quòd benè in ſpatio vacuo proie­
                <lb/>
              ctio fieri poſſet multò meliùs quàm in ſpatio pleno
                <lb/>
              fluido, cum vis motiua proiecto impreſſa nullo pacto
                <lb/>
              impediatur ab inani ſpatio, ſicuti à medio fluido
                <expan abbr="sũ-mopere">sun­
                  <lb/>
                mopere</expan>
              impeditur retardaturque. </s>
            </p>
            <p type="margin">
              <s id="s.002693">
                <margin.target id="marg711"/>
              De vi per­
                <lb/>
              cuſs. </s>
              <s id="s.002694">c 3. & 4.</s>
            </p>
            <p type="main">
              <s id="s.002695">Quintò,
                <emph type="italics"/>
              nemo dicere potest propter quid quod mouetur
                <lb/>
              stabit alicubi, cur enim magis hic,
                <expan abbr="quã">quam</expan>
              alibi; quare aut quie­
                <lb/>
              ſcat, aut in infinitum feratur neceſsè eſt, ſi non
                <expan abbr="potẽtius">potentius</expan>
              quic­
                <lb/>
              piam impedierit.
                <emph.end type="italics"/>
              </s>
              <s id="s.002696"> Reſponderi poteſt optimè procede-</s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>