Fabri, Honoré, Tractatus physicus de motu locali, 1646

Page concordance

< >
Scan Original
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
< >
page |< < of 491 > >|
    <archimedes>
      <text>
        <front>
          <section>
            <pb xlink:href="026/01/023.jpg"/>
            <p id="N10C49" type="main">
              <s id="N10C4B">13. Cum duo globi in ſeſe inuicem impinguntur æquali motu,
                <lb/>
              minor retroagitur velociore motu, quàm ante moueretur, vt clarum
                <lb/>
              eſt: </s>
              <s id="N10C53">maior verò, ſi duplus eſt alterius, ſiſtit immobilis in puncto
                <lb/>
              contactus; </s>
              <s id="N10C59">ſi maior duplo ſuum iter proſequitur, ſed tardiore mo­
                <lb/>
              tu; ſi minor duplo, retroagitur: quæ omnia facilè ex dictis demon­
                <lb/>
              ſtrantur. </s>
              <s id="N10C61">Poteſt impetus eſſe æqualis alteri, & præualere; poteſt
                <lb/>
              æqualem impetum producere hoc inſtanti, & ſtatim inſtanti, quod
                <lb/>
              ſequitur, totus deſtrui. </s>
            </p>
            <p id="N10C69" type="main">
              <s id="N10C6B">14. Poteſt globus retroagi in plano horizontali, licèt in aliud cor­
                <lb/>
              pus non incidat, ita vt initio tendat in ortum, verbi gratia: </s>
              <s id="N10C71">tùm
                <lb/>
              deinde, licèt nihil prorſus addatur, versùs occaſum; </s>
              <s id="N10C77">quod accidit,
                <lb/>
              cum globus vtroque motu, centri, ſcilicet, & orbis, mouetur, ſed
                <lb/>
              contrario; primùm enim motus centri præualet, ſed facilè cedit
                <lb/>
              propter attritum maiorem partium. </s>
              <s id="N10C81">Nullus datur propriè motus
                <lb/>
              refractus: </s>
              <s id="N10C87">licèt enim incuruetur linea motus, dum per aquam ſu­
                <lb/>
              bit mobile; hæc tamen eſt reflexionis ſpecies. </s>
            </p>
            <p id="N10C8D" type="main">
              <s id="N10C8F">15. Globus reflectens, qui ab ictu alterius mouetur, non mouetur
                <lb/>
              inſtanti contactus; </s>
              <s id="N10C95">quia impetus primo inſtanti, quo eſt, non mo­
                <lb/>
              uetur; </s>
              <s id="N10C9B">producitur enim impetus primo inſtanti contactus: </s>
              <s id="N10C9F">ſi impe­
                <lb/>
              tus eſſet tantùm determinatus ad vnam lineam, nulla fieri poſſet
                <lb/>
              reflexio, ſed tantùm repercuſſio; </s>
              <s id="N10CA7">quia veriſſima cauſa reflexionis
                <lb/>
              conſiſtit in noua determinatione: </s>
              <s id="N10CAD">per reflexionem poſſunt colligi
                <lb/>
              plures partes aëris ſonori ad Echometriam: </s>
              <s id="N10CB3">ſagitta emiſſa per ho­
                <lb/>
              rizontalem ſursùm, tantillùm aſcendit per arcum; quia tantillùm
                <lb/>
              reflectitur ab aëre. </s>
            </p>
            <figure id="id.026.01.023.1.jpg" xlink:href="026/01/023/1.jpg" number="11"/>
            <p id="N10CC0" type="main">
              <s id="N10CC2">
                <emph type="center"/>
                <emph type="italics"/>
              De motu circulari.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p id="N10CCD" type="main">
              <s id="N10CCF">1. DAri motum circularem, probatur infinitis ferè experimen­
                <lb/>
              tis: </s>
              <s id="N10CD5">cuius ratio à priori eſt, quòd poſſint extremitates eiuſ­
                <lb/>
              dem cylindri in partes oppoſitas pelli; </s>
              <s id="N10CDB">vnde ſequitur neceſſariò
                <lb/>
              motus circularis; quem ij negare coguntur, qui ex punctis mathe­
                <lb/>
              maticis quantitatem componunt. </s>
              <s id="N10CE3">Motus circularis in ſublunaribus
                <lb/>
              oritur ex recto impedito; </s>
              <s id="N10CE9">quia, ſcilicet, determinatur tantùm im­
                <lb/>
              petus ad lineam rectam: </s>
              <s id="N10CEF">hinc quidam motus circularis eſt merè
                <lb/>
              per accidens, vt cùm retinetur extremitas funependuli, ſeu </s>
            </p>
          </section>
        </front>
      </text>
    </archimedes>
Impressum