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

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="s.001605">
                <pb pagenum="305" xlink:href="010/01/313.jpg"/>
                <arrow.to.target n="marg413"/>
                <lb/>
              quemlibet, & ad quietem non difficiliùs nouus mo­
                <lb/>
              tus ei imprimitur, quando quieſcit, quàm quando
                <lb/>
              actu mouetur. </s>
              <s id="s.001606">hoc autem
                <expan abbr="oſtẽſum">oſtenſum</expan>
              fuit in noſtro Ope­
                <lb/>
              re de Vi Percuſſionis: Imò ſi velimus philoſophari
                <lb/>
              iuxtà ſenſus euidentiam, multoties experimur, quòd
                <lb/>
              maiori difficultate imprimitur nouus motus in eo cor­
                <lb/>
              pore, quod actualitèr mouetur,
                <expan abbr="quã">quam</expan>
              ſi in quiete amo­
                <lb/>
              uibili conſtitutum fuiſſet, & hoc conſtat hac ratione:
                <lb/>
              quia aut motus, qui de nouo imprimi debet, ab im­
                <lb/>
              pellente vergit, ac tendit ad eaſdem partes ad quas
                <lb/>
              corpus mobile ferebatur, aut ad partes oppoſitas, vel
                <lb/>
              tranſuersè; & patet, quod in his multò difficiliùs im­
                <lb/>
              primitur nouus motus, quia præter inertiam corpo­
                <lb/>
              ris mobilis, debet quoque ſuperari reſiſtentia impe­
                <lb/>
              tus motus contrarij, & ſic videmus, quòd difficiliùs
                <lb/>
              reijcimus, & repercutimus pilam aduenientem, &
                <lb/>
              nobis occurrentem motu contrario, quàm ſi eadem̨
                <lb/>
              pila omninò motu careret, & pauimento innixa quie­
                <lb/>
              ſceret. </s>
              <s id="s.001607">Si poſtea motus corporis mobilis, & mouen­
                <lb/>
              tis fiunt versùs eaſdem partes, atque velociori motu
                <lb/>
              mobile, quàm mouens fertur, tunc patet adeò falſum
                <lb/>
              eſſe faciliùs moueri poſſe corpus illud in motu velo­
                <lb/>
              ciori conſtitutum, quàm ſi quieſceret, vt è contrà iņ
                <lb/>
              quiete ab illo impelli poſſet, at in fuga non poſſet à
                <lb/>
              tardiore impulſore vrgeri; ſi verò gradus impetus
                <lb/>
              mouentis corporis maior fuerit illo quo mobile
                <expan abbr="ictũ">ictum</expan>
                <lb/>
              fugit, tunc difficiliùs, ſeu tardiùs illud mouebitur,
                <lb/>
              quàm ſi in quiete amouibili conſtitutum fuiſſet; nam
                <lb/>
              in hoc caſu percuſſio fieret ab integro gradu impetus </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>