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

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            <s xml:space="preserve">
              <pb o="191" file="0243" n="243" rhead="PARS TERTIA."/>
            experimenta diverſam diverſorum corporum cohæſionis vim,
              <lb/>
              <note position="right" xlink:label="note-0243-01" xlink:href="note-0243-01a" xml:space="preserve">multa, quæ per-
                <lb/>
              tinent ad explo-
                <lb/>
              randam cohæſi-
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              onis vim, & reſi-
                <lb/>
              ſtentiam ad fra-
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              ctionem in di-
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              verſis poſitioni-
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              bus.</note>
            quod argumentum diligenter, ut ſolet, excoluit Muſſchenbroe-
              <lb/>
            kius, & </s>
            <s xml:space="preserve">comparandi reſiſtentiam ad fractionem, ubi diviſio
              <lb/>
            fieri debeat divulſione perpendiculari ad ſuperficies divellendas,
              <lb/>
            ut ubi trabi verticali ingens pondus appenditur inferne, cum
              <lb/>
            reſiſtentia, quæ habetur, ubi circa latus ſuum aliquod gyrare
              <lb/>
            debeat ſuperficies, quæ divellitur, quod accidit, ubi extremæ
              <lb/>
            parti trabis horizontalis pondus appenditur; </s>
            <s xml:space="preserve">quam perquiſi-
              <lb/>
            tionem a Galileo inchoatam, ſed ſine ulla conſideratione fle-
              <lb/>
            xionis, & </s>
            <s xml:space="preserve">compreſſionis fibrarum, quæ habetur in ima parte,
              <lb/>
            alii plures excoluerunt poſt ipſum; </s>
            <s xml:space="preserve">& </s>
            <s xml:space="preserve">in quibus omnibus diſ-
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            crimina inveniuntur quamplurima. </s>
            <s xml:space="preserve">Illud unum hic addam:
              <lb/>
            </s>
            <s xml:space="preserve">poſſe cohæſionem ingentem acquiri ab iis, quæ per ſe nullam
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            haberent, nova materia interpoſita, ut ubi cineres, qui oleis
              <lb/>
            actione ignis avolantibus inter ſe inertes remanſerunt, oleis no-
              <lb/>
            vis in maſſam cohærentem rediguntur iterum, ac in aliis ejuſ-
              <lb/>
            modi caſibus: </s>
            <s xml:space="preserve">ſed id jam pendet a diſcrimine inter diverſas
              <lb/>
            particulas, & </s>
            <s xml:space="preserve">maſſas, ac pertinet ad ſoliditatem explicandam
              <lb/>
            inprimis, non generaliter ad cohæſionem, de quibus jam agam
              <lb/>
            gradu facto a generalibus corporum proprietatibus ad multipli-
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            cem varietatem Naturæ, & </s>
            <s xml:space="preserve">proprietates corporum particula-
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            res.</s>
            <s xml:space="preserve"/>
          </p>
          <p>
            <s xml:space="preserve">419. </s>
            <s xml:space="preserve">Et primo quidem ſe hic mihi offert ingens illud plu-
              <lb/>
              <note position="right" xlink:label="note-0243-02" xlink:href="note-0243-02a" xml:space="preserve">Diſcrimen in-
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              ter particulas
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              diverſas, a nu-
                <lb/>
              mero puncto-
                <lb/>
              rum, a mole, a
                <lb/>
              denſitate, a fi-
                <lb/>
              gura, quæ poteſt
                <lb/>
              eſſe quævis, cum
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              quavis vi ad eam
                <lb/>
              retinendam.</note>
            rium generum diſcrimen, quod haberi poteſt inter diverſas pun-
              <lb/>
            ctorum congeries, quæ conſtituunt diverſa genera particularum
              <lb/>
            corpora conſtituentium. </s>
            <s xml:space="preserve">Primum diſcrimen, quod ſe obji-
              <lb/>
            cit, repeti poteſt ab ipſo numero punctorum conſtituentium
              <lb/>
            particulam, qui poteſt eſſe ſub eadem etiam mole admodum
              <lb/>
            diverſus. </s>
            <s xml:space="preserve">Deinde moles ipſa diverſa itidem eſſe poteſt, ac di-
              <lb/>
            verſa denſitas, ut nimirum duæ particulæ nec maſſam habeant,
              <lb/>
            nec molem, nec denſitatem æqualem. </s>
            <s xml:space="preserve">Deinde data etiam & </s>
            <s xml:space="preserve">
              <lb/>
            maſſa, & </s>
            <s xml:space="preserve">mole, adeoque data denſitate media particulæ; </s>
            <s xml:space="preserve">pot-
              <lb/>
            eſt haberi ingens diſcrimen in ipſa figura, ſive in ſuperficie o-
              <lb/>
            mnia includente puncta, & </s>
            <s xml:space="preserve">eorum ſequente ductum. </s>
            <s xml:space="preserve">Poſſunt
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            enim in una particula diſponi puncta in ſphæram, in alia
              <lb/>
            in pyramidem, vel quadratum, vel triangulare priſma. </s>
            <s xml:space="preserve">Suma-
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            tur figura quæcunque, & </s>
            <s xml:space="preserve">in eam diſponantur puncta utcun-
              <lb/>
            que: </s>
            <s xml:space="preserve">tot erunt ibi diſtantiæ, quot erunt punctorum binaria,
              <lb/>
            qui numerus utique finitus erit. </s>
            <s xml:space="preserve">Curva virium poteſt habere
              <lb/>
            limites cohæſionis quotcunque, & </s>
            <s xml:space="preserve">ubicunque. </s>
            <s xml:space="preserve">Fieri igitur
              <lb/>
            poteſt, ut limites iis ipſis diſtantiis reſpondeant, & </s>
            <s xml:space="preserve">tum eam
              <lb/>
            ipſam formam habebit particula, & </s>
            <s xml:space="preserve">ejus formæ poterit eſſe ad-
              <lb/>
            modum tenax. </s>
            <s xml:space="preserve">Quin immo per unicam etiam diſtantiam cum
              <lb/>
            repagulo infinitæ reſiſtentiæ, orto a binis aſymptotis parallelis,
              <lb/>
            & </s>
            <s xml:space="preserve">ſibi proximis, cum area hinc attractiva, & </s>
            <s xml:space="preserve">inde repulſiva
              <lb/>
            infinita, poteſt haberi in quavis maſſa cujuſcunque figuræ ſolidi-
              <lb/>
            tas etiam infinita, ſive vis, quæ impediret diſpoſitionis mutatio-
              <lb/>
            nem non minorem data quacunque. </s>
            <s xml:space="preserve">Nam intra illam </s>
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