Gassendi, Pierre, De motu impresso a motore translato epistulae duae, 1642

List of thumbnails

< >
1
1 		2
2
3
3 		4
4
5
5 		6
6
7
7 		8
8
9
9 		10
10
< >
page |< < of 158 > >|
    <archimedes>
      <text>
        <body>
          <chap>
            <p type="main">
              <s id="id.000056">
                <pb xlink:href="027/01/004.jpg"/>
                <lb/>
                <emph type="italics"/>
              odoris. </s>
              <s id="id.000057">Debent & poruli analogici in iis, quæ
                <lb/>
              ab ipſis peruaduntur rebus; vt exemplis
                <lb/>
              oſtenditur.
                <emph.end type="italics"/>
              p.50. </s>
            </p>
            <p type="main">
              <s id="id.000058">
                <emph type="italics"/>
              XIV. </s>
              <s id="id.000059">Difficultas præcipua; quomodo attra­
                <lb/>
              ctio ferri à Magnete per emiſſa corpuſcula
                <lb/>
              fiat: Fieri fortè radiis iugi illorum corpuſcu­
                <lb/>
              lorum emißione creatis, refractiſque in re
                <lb/>
              attracta verſus perpendicularem: vnde &
                <lb/>
              factis angulis, quaſi cubitis, in ferro, com­
                <lb/>
              preßio, & attractio in magnetem ſequatur.
                <lb/>
              </s>
              <s id="id.000060">Rationem quorundam effectuum heinc red­
                <lb/>
              di, & actionem electricorum poſſe exinde
                <lb/>
              intelligi.
                <emph.end type="italics"/>
              p.54. </s>
            </p>
            <p type="main">
              <s id="id.000061">
                <emph type="italics"/>
              XV. </s>
              <s id="id.000062">Vis Terræ attractrix, perinde ac vis
                <lb/>
              magnetis exſeritur. </s>
              <s id="id.000063">Propè, quàm procùl, ma­
                <lb/>
              ior. </s>
              <s id="id.000064">Lapis in ſpatiis imaginariis conſtitutus
                <lb/>
              tam conſtante mundo, quàm non exſtante, ibi
                <lb/>
              quieſceret. </s>
              <s id="id.000065">Etiam in medio aeris ſpatio, ſi
                <lb/>
              fieret penitùs inane. </s>
              <s id="id.000066">Mouetur iam, quia tra­
                <lb/>
              hitur. </s>
              <s id="id.000067">Ingens ſaxum, cohibita attractione,
                <lb/>
              facillimè mobile. </s>
              <s id="id.000068">Motus deorsùm initio len­
                <lb/>
              tißimus. </s>
              <s id="id.000069">Vis proiecto impreſſa ideò debili­
                <lb/>
              tatur, quòd attractio à Terra facta ipſam
                <lb/>
              continenter refringat. </s>
              <s id="id.000070">Quare pondera ſeu
                <lb/>
              magna, ſeu parua (eiuſdem præſertim ma­
                <lb/>
              teriæ) æqua velocitate cadunt.
                <emph.end type="italics"/>
              p.58. </s>
            </p>
            <p type="main">
              <s id="id.000071">
                <emph type="italics"/>
              XVI. </s>
              <s id="id.000072">Impreſſus ſemel motus illi lapidi in
                <lb/>
              imaginariis ſpatiis conſtituto foret æquabi­
                <lb/>
              lis, & perpetuus, attractionis refringentis
                <lb/>
              defectu. </s>
              <s id="id.000073">Comprobatur ex dictis de æquabili­
                <lb/>
              tate motus horizontalis, & ex conſtantia
                <lb/>
              motus rei penſilis, cuius excurſus, & recur­
                <lb/>
              ſus præcipue ob ſolam ipſius chordæ, par­
                <lb/>
              tium ve eius quaſi ſarcinulas ſensìm re­
                <lb/>
              fringuntur, ac denique ceſſant.
                <emph.end type="italics"/>
              p.62. </s>
            </p>
            <p type="main">
              <s id="id.000074">
                <emph type="italics"/>
              XVII. </s>
              <s id="id.000075">Poteſt ſimplex Terræ attractio &
                <lb/>
              emonere lapidem à quiete in aëre, & ſuperæa
                <lb/>
              re reſiſtentiam ſuppoſiti aëris. </s>
              <s id="id.000076">Si mobile vno
                <lb/>
              ictu pulſum, pluribus ſimilibus continenter
                <lb/>
              pulſetur, ipſius velocitas continenter auge­
                <lb/>
              bitur. </s>
              <s id="id.000077">Lapis in aere, ſeu à Terra, ſeu ab aëre,
                <lb/>
              ſeu ab vtroque continenter ictus accipiat,
                <lb/>
              non poteſt continuò non accelerari. </s>
              <s id="id.000078">Si ab al­
                <lb/>
              tera, ſimplicive tantum cauſa moueretur,
                <lb/>
              velocitas eius increſceret ſecundum ſeriem
                <lb/>
              vastatum. </s>
              <s id="id.000079">Atqui increſcit ſecundum ſe­
                <lb/>
              riem numerorum ab vnitate imparium.
                <emph.end type="italics"/>
              p.66.
                <lb/>
              </s>
            </p>
            <p type="main">
              <s id="id.000080">
                <emph type="italics"/>
              XVIII. </s>
              <s id="id.000081">Coniungenda ut
                <gap/>
              aque cauſa: vt
                <lb/>
              ſit in primo momento unus ictus à Terra at­
                <lb/>
              trahente: in ſecundo ſint duo, vnus à Ter­
                <lb/>
              ra attrahente, alius ab aere impellente, &
                <lb/>
              conſequenter ſingulis momentis duo: ſicque,
                <lb/>
              cum impetus omnes maneant, ſint in primo
                <lb/>
              momento, 1. in ſecundo 3. in tertio 5. & quæ
                <lb/>
              eſt progreſsio numerorum imparium. </s>
              <s id="id.000083">Heinc
                <lb/>
              ſequitur ſpatia in fine cuiuſque momenti ab
                <lb/>
              vſque initio qua ſita eſſe 1. 4. 9. & c. quæ
                <lb/>
              ſunt quadrata momentorum. </s>
              <s id="id.000085">Declaratur res
                <lb/>
              ſchemate. </s>
              <s id="id.000086">Cur graue proiectum tanto aſcen­
                <lb/>
              dat tempore, quanto deinceps deſcendit. </s>
              <s id="id.000087">Ea­
                <lb/>
              dem proportio ſeruatur in rebus obliquè de­
                <lb/>
              cidentibus: & in excurſibus, recurſibuſque
                <lb/>
              rerum penſilium. </s>
              <s id="id.000088">An caſurus fuerit eadem
                <lb/>
              incrementi velocitatis proportione demiſſus
                <lb/>
              in centrum lapis à Terræ ſuperficie, à luna,
                <lb/>
              à Sole, à Fixis?
                <emph.end type="italics"/>
              p.69. </s>
            </p>
            <p type="main">
              <s id="id.000089">
                <emph type="italics"/>
              XIX. </s>
              <s id="id.000090">Vis motrix in re proiecta non aliud,
                <lb/>
              quàm impreſſus motus, qui ex ſe in eo perſe­
                <lb/>
              ueraret perpetuò, niſi facta à Terra attra­
                <lb/>
              ctione labefactaretur. </s>
              <s id="id.000091">Imprimitur, dum mo­
                <lb/>
              uens iunctum mobili ipſum ſecum monet, &
                <lb/>
              aliquo vſque in viam tenendam comitatur.
                <lb/>
              </s>
              <s id="id.000092">Motus reflexus cum directo continüatus, ab
                <lb/>
              eadem cauſa cum illo eſt. </s>
              <s id="id.000093">Reflexio, & inci­
                <lb/>
              dentia ad angulos pareis, eadem lege, qua
                <lb/>
              emerſio, & procidentia in re penſili.
                <emph.end type="italics"/>
              p.74. </s>
            </p>
            <p type="main">
              <s id="id.000094">
                <emph type="italics"/>
              XX. </s>
              <s id="id.000095">Differtur tractatio de argumento ex
                <lb/>
              motu verum ſurſum proiectarum reciden­
                <lb/>
              tiumque ad quietem Terræ aſſerendam aſ­
                <lb/>
              ſumpto, in occaſionem aliam. </s>
              <s id="id.000096">Epiſtola con­
                <lb/>
              cluditur.
                <emph.end type="italics"/>
              p 77. </s>
            </p>
            <p type="main">
              <s id="id.000097">
                <emph type="center"/>
              EPISTOLÆ POSTERIORIS.
                <emph.end type="center"/>
              </s>
            </p>
            <p type="main">
              <s id="id.000098">
                <emph type="italics"/>
              I. PRoponitur agendum de imbecillitate
                <lb/>
              argumenti, quo ab Ariſtotele vſque
                <lb/>
              probatur Terram quieſcere. </s>
              <s id="id.000099">Seneca rem diſ­
                <lb/>
              quiſitione non indignam cenſuit, moueatur­-
                <lb/>
              ne Terra, an-non. </s>
              <s id="id.000100">Plato eam moueri opina­
                <lb/>
              tus eſt. </s>
              <s id="id.000101">Argumentum vulgare pro quiete,
                <lb/>
              Quòd lapis ſursùm directè protectus e pup­
                <lb/>
              pi, dum navis mouetur, non recidat in puppim
                <lb/>
              intereà ſubductam. </s>
              <s id="id.000102">Cùm exemplam hoc fal­
                <lb/>
              ſum ſit, videtur argumentum poſſe retor-
                <emph.end type="italics"/>
              </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
Impressum