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

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              vitatis; quo omnes æqualiter moventur: minor erit vis in
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              centro quàm in loco plagæ. </s>
              <s>Quòd ſi enim motui velociſ­
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              ſimo accedat minùs velox; hunc quidem incitari, illum verò
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              retardari contingit. </s>
              <s>Igitur cùm per cuſſio fiat à centro, mi­
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              nor erit plaga à ſecundo quàm à primo. </s>
              <s>Ratio in oppo­
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              ſitum facta ita diſſolvitur. </s>
              <s>Impulſum à plagâ 20 ad totum
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              impulſum maiorem rationem habere, quàm ſubvigecuplam. </s>
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              <s>Licet enim plaga ſecunda ſit minor quàm prima: non tamen
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              illud decrementum eſt æquale magnitudini, quam pertranſit,
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              ſed exceſſui, quo plaga maior eſt æquatione centri gravitatis:
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              quæ differentia in eiuſmodi ſphærulis eſt valde exigua. </s>
              <s>
                <expan abbr="Itaq;">Itaque</expan>
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              fit ut globus libr: 20. moveri nequeat à plagâ unius libræ: im­
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              pulſus tamen tranſiens per globos librales 20. ultimum mo­
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              veat. </s>
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              THEOREMA XIV.
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              Si orbiculum tangant plures alij eidem æquales; percutiat verò hunc
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              alius orbiculus æqualis, ad intervallum maius quadrante à contactu
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              illorum orbiculorum; omnes contigui à percuſſo movebuntur.
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              </s>
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            <p type="main">
              <s>Vt ſi orbiculum A tangant alij C. D. E: percutiat verò eun­
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              dem A æqualis B in puncto H; cuius intervallum HG, vel
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              H L maius
                <expan abbr="quadrãte">quadrante</expan>
              : dico omnes contiguos C. D. E moveri
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              ex illâ plagâ Ducantur à contactu orbiculorum G & L ipſi AH
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              parallelæ GP. LO, ſecantes AT. AK in O & P: dico menſu­
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              ram plagæ OK
                <expan abbr="atq;">atque</expan>
              TP ſimul ſumptam eſſe minorem radio
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              AK: ac proinde impulſum reliquum à plagâ movere orbicu­
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              lum D. </s>
              <s>Ducantur rectæ DE. IL. & quia ut AD ad DE, ita
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              AI ad IL; ſunt verò AD. DE æquales; erit
                <expan abbr="quoq;">quoque</expan>
              AI </s>
            </p>
          </chap>
        </body>
      </text>
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