Marci of Kronland, Johannes Marcus, De proportione motus figurarum recti linearum et circuli quadratura ex motu, 1648

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    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="063/01/091.jpg"/>
              tum impulſum abſumit: cùm non tota vis centri percutiat. ne­
                <lb/>
              ceſſe ergò mobile ab eiuſmodi plagâ motum continuare. </s>
            </p>
            <p type="main">
              <s>Notandum Quintò, hanc differentiam eſſe inter corpora
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              percuſſa, quæ ex illâ plagâ moventur, & quæ immota manent.
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              quòd hæc ictum recipiant
                <expan abbr="reddantq́">reddantque</expan>
              ;, nequaquam illa: pro­
                <lb/>
              pterea, quòd licet ab his contactus fiat, non tamen etiam pla­
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              ga: eſt enim plaga irruptio quædam violenta, & veluti pene­
                <lb/>
              tratio: at verò quæ à plagâ moventur, nullam faciunt irrup­
                <lb/>
              tionem, ſed à plagâ celeriter ſe adducunt: non igitur percu­
                <lb/>
              tere dicuntur. </s>
              <s>Immota verò quia percuſſioni non cedunt
                <lb/>
              eadem violentiâ irrumpunt
                <expan abbr="penetrantq;">penetrantque</expan>
              in ea, à quibus pene­
                <lb/>
              trantur: unde percuti & percutere, & impulſum recipere
                <expan abbr="da-req;">da­
                  <lb/>
                reque</expan>
              dicuntur. </s>
              <s>Qui ſummus eſt in contactu: Inde verò ſen­
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              ſim attenuatur. </s>
              <s>Et in percuſſo quidem ex illâ vibratione de­
                <lb/>
              mum conquieſcit: in percutiente verò quia priori eſt contra­
                <lb/>
              rius, ipſum retroagit. </s>
              <s>Dices quid ſi dicamus impulſum non
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              niſi per contrarium impulſum tolli? Nam ſi globus alium per­
                <lb/>
              cutiat ſibi æqualem & quieſcentem, ex illâ communi plagâ in
                <lb/>
                <expan abbr="utroq;">utroque</expan>
              producitur impulſus: qui globum quieſcentem loco
                <lb/>
              movet. propterea quòd huic motui nihil ſit contrarium: alte­
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              rum verò ob impulſûs contrarictatem à motu continet. </s>
            </p>
            <p type="main">
              <s>Reſpondeo, licet hæc ratio ſit probabilis, non tamen in alijs
                <lb/>
              locum habere. </s>
              <s>Nam cùm maiori immoto minor globus allidi­
                <lb/>
              tur, ſi æqualem dat
                <expan abbr="recipitq́">recipitque</expan>
              ; impulſum,
                <expan abbr="eſtq́">eſtque</expan>
              hic contrarius pri­
                <lb/>
              ori, non reſiliet; verùm à motu conquieſcet. </s>
            </p>
            <p type="main">
              <s>Dices à maiori corpore ictum fieri maiorem; ac proinde ab
                <lb/>
              huius exceſſu fieri illum motum. </s>
              <s>Sed contra, quia velocitas
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              motûs reflexi non augetur in eá ratione, in quâ illorum cor­
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              porum magnitudo. </s>
              <s>Deinde cùm duo globi æquales ſe
                <lb/>
              percutiunt in motu,
                <expan abbr="uterq;">uterque</expan>
              reflectit: oportebat verò
                <expan abbr="utrumq;">utrumque</expan>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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