Bošković, Ruđer Josip, Theoria philosophiae naturalis redacta ad unicam legem virium in natura existentium

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            <s xml:space="preserve">
              <pb o="193" file="0245" n="245" rhead="PARS TERTIA."/>
            puncta conſtituentia eandem particulam habere vires cohæſio-
              <lb/>
            nis admodum inter ſe diverſas, ut aliæ multo facilius, aliæ mul-
              <lb/>
            to difficilius diſpoſitionem mutent mutatione, quæ aliquam non
              <lb/>
            ita parvam rationem habeat ad totum. </s>
            <s xml:space="preserve">Eſt autem caſus, in quo
              <lb/>
            poſſint puncta particulæ cohærere inter ſe ita, ut nulla finita vi
              <lb/>
            nexus diſſolvi poſſit, ut ubi adſint aſymptotici arcus in curva
              <lb/>
            primitiva, juxta ea, quæ perſecutus ſum num. </s>
            <s xml:space="preserve">362.</s>
            <s xml:space="preserve"/>
          </p>
          <p>
            <s xml:space="preserve">422. </s>
            <s xml:space="preserve">Diſcrimina autem virium, quas una particula exer-
              <lb/>
              <note position="right" xlink:label="note-0245-01" xlink:href="note-0245-01a" xml:space="preserve">Particulæ aliæ
                <lb/>
              ſe attrahentes,
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              aliæ repellentes,
                <lb/>
              aliæ inertes in-
                <lb/>
              ter ſe.</note>
            cet in aliam, debent eſſe adhuc plura. </s>
            <s xml:space="preserve">Inprimis ex num. </s>
            <s xml:space="preserve">222
              <lb/>
            patet, fieri poſſe, ut una particula conſtans etiam duobus pun-
              <lb/>
            ctis tertium punctum in iiſdem diſtantiis collocatum ab earum
              <lb/>
            medio attrahat per totum quoddam intervallum, vel repellat
              <lb/>
            per idem intervallum totum, vel nec uſquam in eo repellat,
              <lb/>
            nec attrahat, conſpirantibus in primo caſu binis attractionibus,
              <lb/>
            in ſecundo binis repulſionibus itidem conſpirantibus, & </s>
            <s xml:space="preserve">in ter-
              <lb/>
            tio attractione, & </s>
            <s xml:space="preserve">repulſione æqualibus ſe mutuo elidentibus.
              <lb/>
            </s>
            <s xml:space="preserve">Multo autem magis ſumma virium totius cujuſdam particulæ
              <lb/>
            in aliam totam in eadem etiam diſtantia ſitam, ſi medium utriuſ-
              <lb/>
            que ſpectetur, erit pro diverſa diſpoſitione punctorum admo-
              <lb/>
            dum inter ſe diverſa, ut nimirum in una attractiones præva-
              <lb/>
            leant, in alia repulſiones, in alia vires oppoſitæ ſe mutuo eli-
              <lb/>
            dant. </s>
            <s xml:space="preserve">Inde habebuntur particulæ in ſe invicem agentes viri-
              <lb/>
            bus admodum diverſis, pro diverſa ſua conſtitutione, & </s>
            <s xml:space="preserve">par-
              <lb/>
            ticulæ ad ſenſum inertes inter ſe, quæ quidem perſecutus ſum
              <lb/>
            ipſo num. </s>
            <s xml:space="preserve">222.</s>
            <s xml:space="preserve"/>
          </p>
          <p>
            <s xml:space="preserve">423. </s>
            <s xml:space="preserve">Aliud diſcrimen admodum notabile inter ejuſmodi par-
              <lb/>
              <note position="right" xlink:label="note-0245-02" xlink:href="note-0245-02a" xml:space="preserve">Particulæ quæ
                <lb/>
              in certis punctis
                <lb/>
              ſe repellant, in
                <lb/>
              aliis attrahant:
                <lb/>
              quæ ſe urgeant
                <lb/>
              in latus, quæ
                <lb/>
              circumquaque
                <lb/>
              eandem vim
                <lb/>
              exerceant.</note>
            ticularum vires eſt illud, quod eadem particula ex altera par-
              <lb/>
            te poterit datam aliam particulam attrahere, ex altera repelle-
              <lb/>
            re; </s>
            <s xml:space="preserve">quin immo poſſunt eſſe loca quotcunque in ſuperficie par-
              <lb/>
            ticulæ etiam ſphæricæ, quæ alteram particulam in eadem a cen-
              <lb/>
            tro diſtantia ſitam attrahant, quæ repellant, quæ nihil agant;
              <lb/>
            </s>
            <s xml:space="preserve">cum nimirum in iis locis poſſint vel plura, vel pauciora eſſe
              <lb/>
            puncta, quam in aliis, & </s>
            <s xml:space="preserve">ea ad diverſas a centro, & </s>
            <s xml:space="preserve">a ſe
              <lb/>
            invicem diſtantias collocata. </s>
            <s xml:space="preserve">Inde autem & </s>
            <s xml:space="preserve">illud fieri poterit,
              <lb/>
            ut, quemadmodum in iis, quæ vidimus a num. </s>
            <s xml:space="preserve">231, unum
              <lb/>
            punctum a duorum aliorum altero attractum, ab altero repul-
              <lb/>
            ſum, vi compoſita urgetur in latus, ita etiam una particula ab
              <lb/>
            una alterius parte attracta, & </s>
            <s xml:space="preserve">repulſa ab altera in altera dire-
              <lb/>
            ctione ſita, urgeatur itidem in latus, & </s>
            <s xml:space="preserve">certam aſſecuta poſi-
              <lb/>
            tionem reſpectu ipſius, ad eam tuendam determinetur, nec con-
              <lb/>
            ſiſtere poſſit, niſi in ea unica poſitione reſpectu ipſius, vel in
              <lb/>
            quibuſdam determinatis poſitionibus, ad quas trudatur ab aliis
              <lb/>
            rejecta. </s>
            <s xml:space="preserve">Quod ſi particula ſphærica ſit, & </s>
            <s xml:space="preserve">in omnibus concen-
              <lb/>
            tricis ſuperſiciebus puncta æqualiter diſtributa ſint, ad diſtantias
              <lb/>
            a ſe invicem perquam exiguas; </s>
            <s xml:space="preserve">tum ejus, & </s>
            <s xml:space="preserve">alterius ejus ſi-
              <lb/>
            milis particulæ vires mutuæ dirigentur ad ſenſum ad earum
              <lb/>
            centra, & </s>
            <s xml:space="preserve">fieri poterit, ut in quibuſdam diſtantiis ſe repellant
              <lb/>
            mutuo, in aliis ſe attrahant, quo caſu habebitur quidem </s>
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