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

Page concordance

< >
< >
page |< < of 145 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s>
                <pb xlink:href="063/01/081.jpg"/>
              nuò augetur. </s>
              <s>In proiectis verò tota gravitas ſuperatur ab
                <lb/>
              impulſu,
                <expan abbr="atq;">atque</expan>
              in lineam trahitur nonnaturalem. </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              PROBLEMA IV.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
                <emph type="italics"/>
              Datâ Proportione impulſûs ad grauitatem, lineam motûs
                <lb/>
              inflexi inuenire.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>Data ſit proportio impulſûs ad gravitatem, VG ſeſcupla.
                <lb/>
              aſſumatur autem recta AB via motûs, ad AC motum verti­
                <lb/>
              calem in eadem ratione: & ſecetur AB in ſegmenta æqualia
                <lb/>
              ALMNOPB. </s>
              <s>Quòd ſi
                <expan abbr="itaq;">itaque</expan>
              maneret eadem proportio im­
                <lb/>
              pulſus ad gravitatem, motus medius eſſet diameter parallelo­
                <lb/>
              grammi ABDC per prop: 32. </s>
              <s>At verò quia plaga impul­
                <lb/>
              ſum continuò abſumit: gravitas verò eadem manet; neceſſe
                <lb/>
              continuò mutari hanc proportionem: pro ratione nimirum
                <lb/>
              ſpatij tranſmiſſi Igitur abſumptâ parte impulſus æquali AL:
                <lb/>
              principium motûs reliqui determinat AT diameter parallelo­
                <lb/>
              grammi APTC in E. propterea quòd TC ſit æqualis reſiduo
                <lb/>
              impulſui LB. </s>
              <s>Rurſum peractâ plagâ æquali AM; erit princi­
                <lb/>
              pium motûs in F communi ſectione MF.
                <expan abbr="atq;">atque</expan>
              AS lineæ dia­
                <lb/>
              gonalis parallelogrammi AOSC,
                <expan abbr="eademq;">eademque</expan>
              ratione invenie­
                <lb/>
              mus puncta reliqua motûs ſinuoſi in GH I&c. </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
              THEOREMA XIV.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
                <emph type="italics"/>
              Linea motûs proiectorum non eſt circulus, ne〈que〉 ulla ſectionum
                <lb/>
              conicarum.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>
                <emph type="center"/>
                <emph type="italics"/>
              Supponamus primùm eſſe lineam circularem.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s>Quoniam
                <expan abbr="itaq;">itaque</expan>
              triangula APT, AEV ſuntſimilia, erit FV ad
                <lb/>
              AV, ut AP ad TP. eſt autem TP pars 5 AP per probl: 4 Igitur & </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>