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

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            <s xml:space="preserve">XIII. </s>
            <s xml:space="preserve">Hanc virium legem apte repræſentat curva unica continua. </s>
            <s xml:space="preserve">Ejus
              <lb/>
            vero ope præcipuæ corporum proprietates, impenetrabilitas, extenſio, co-
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            bæſio, figura ſenſibilis, mobilitas &</s>
            <s xml:space="preserve">c. </s>
            <s xml:space="preserve">exponi poſſunt.</s>
            <s xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:space="preserve">XIV. </s>
            <s xml:space="preserve">Attractivas corporum vires præ aliis evincunt pbænomena gravi-
              <lb/>
            tatis, quæ neque per materiæ ſubtilis preſſionem rectilineam, neque per ejus-
              <lb/>
            dem oſcillationes continuas, neque per vorticem, ſive unum, ſive plures ex-
              <lb/>
            poni poſſ nt.</s>
            <s xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:space="preserve">XV. </s>
            <s xml:space="preserve">Dicendum igitur gravitatem baud differre ab attractione univer-
              <lb/>
            ſali in d ſtantiis paulo majoribus agente in ratione reciproca duplicata diſtan-
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            tiarum. </s>
            <s xml:space="preserve">Qua poſita pbœnomena omnia corporum gravium recte explicantur.</s>
            <s xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:space="preserve">XVI. </s>
            <s xml:space="preserve">Admiſſa ejusmodi attractionis lege ſequitur primo, punctum ex-
              <lb/>
            tra ſpbæram in æqualibus ſaltem a centro diſtantiis, bomogeneam ſitum,
              <lb/>
            in ejus centrum perinde gravitare, ac ſi tota ibidem illius maſſa exiſteret.</s>
            <s xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:space="preserve">XVII. </s>
            <s xml:space="preserve">2do. </s>
            <s xml:space="preserve">Punctum collocatum intra ſpbæram, vel Ellypſoidem
              <lb/>
            cavam in æquilibrio eſſe, 3tio attractionem punctorum intra ſpbæram poſi-
              <lb/>
            torum, eſſe in ratione directa diſtantiarum a centro.</s>
            <s xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:space="preserve">XVIII. </s>
            <s xml:space="preserve">Vires repulſivas in natura exiſtere, probant corpora elaſtica,
              <lb/>
            tam ſolida, quam fluida, quorum pbænomena per ſolam attractionem expli-
              <lb/>
            cari nequeunt.</s>
            <s xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:space="preserve">XIX. </s>
            <s xml:space="preserve">Virium alternationes oſtendunt præcipue pbænomena guttula-
              <lb/>
            rum aquearum, quæ in diverſis diſtantiis ſeſe attrabunt, diſtantiis vero
              <lb/>
            tantiſper auctis, ingentes vires repulſivas nanciſcuntur. </s>
            <s xml:space="preserve">Idem probant varia
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            experimenta Cbemica, quæ per notas mecbanicæ leges explicari nullatenus
              <lb/>
            poſſunt.</s>
            <s xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:space="preserve">XX. </s>
            <s xml:space="preserve">Ad inveſtigandas corporum diverſas affectiones ſumme neceſſaria
              <lb/>
            eſt doctrina de motu. </s>
            <s xml:space="preserve">In motu æquabili S = C T & </s>
            <s xml:space="preserve">Q = M C. </s>
            <s xml:space="preserve">Mo-
              <lb/>
            bile impulſum duabus viribus, quarum directiones ſunt ut latera cujusdam
              <lb/>
            parallelogrami deſcribit diagonalem.</s>
            <s xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:space="preserve">XXI. </s>
            <s xml:space="preserve">Spatia motu æquabiliter accelerato confecta, ſunt ut quadrata tem-
              <lb/>
            porum vel celeritatum, atque ſi ab initio motus computentur, progrediuntur,
              <lb/>
            ut quadrata numerorum naturalium; </s>
            <s xml:space="preserve">ſi vero ſpatia ſingulis temporibus con-
              <lb/>
            fecta conſiderentur, progrediuntur ut numeri impares.</s>
            <s xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:space="preserve">XXII. </s>
            <s xml:space="preserve">Si mobile motu compoſito feratur, uno quidem accelerato, vel
              <lb/>
            retardato, agente directionibus parallelis, altero vero æquabili, parabolam
              <lb/>
            deſcribit. </s>
            <s xml:space="preserve">In planis inclinatis actio obliqua eſt ad actionem perpendicularem,
              <lb/>
            ut altitudo plani, juxta quod fit actio, ad ejus longitudinem. </s>
            <s xml:space="preserve">Vis vero ab-
              <lb/>
            ſoluta, & </s>
            <s xml:space="preserve">perpendicularis, ad vim reſpectivam, ut longitudo plani inclinati
              <lb/>
            ad ejusdem altitudinem.</s>
            <s xml:space="preserve"/>
          </p>
          <p style="it">
            <s xml:space="preserve">XXIII. </s>
            <s xml:space="preserve">Centrum gravitatis in omni corpore datur, eſtque unicum.
              <lb/>
            </s>
            <s xml:space="preserve">Pondera in æquilibrio ſunt, ſeu quieſcunt, ſi diſtantia a puncto ſuſpenſionis
              <lb/>
            ſit iisdem reciproee proportionalis. </s>
            <s xml:space="preserve">Ex bac lege macbinarum effectus me-
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            tiri licet, in quibus diſpendium temporis ingenti virium compendio ſarcitur.</s>
            <s xml:space="preserve"/>
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