Bošković, Ruđer Josip
,
Theoria philosophiae naturalis redacta ad unicam legem virium in natura existentium
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PARS PRIMA.
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in globos homogeneos diverſarum diametrorum ſit in eadem ra-
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tione, in qua ſunt globorum diametri, adeoque vis ejuſmodi
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in exiguam particulam eſt eo minor gravitate corporum in
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Terram, quo minor eſt diameter particulæ diametro totius Ter-
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ræ, adeoque penitus inſenſibilis. </
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<
s
xml:space
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">Et idcirco Newtonus aliam
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admiſit vim pro cohæſione, quæ decreſcat in ratione majore,
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quam ſit reciproca duplicata diſtantiarum; </
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">& </
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<
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">multi ex Newto-
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nianis admiſerunt vim reſpondentem huic formula {a/x} 3 + {b/x} 2, cu-
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jus prior pars reſpectu poſterioris ſit in immenſum minor,
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ubi x ſit in immenſum major unitate aſſumpta; </
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<
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">ſit vero ma-
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jor, ubi x ſit in immenſum minor, ut idcirco in ſatis magnis
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diſtantiis evaneſcente ad ſenſum prima parte, vis remaneat
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quam proxime in ratione reciproca duplicata diſtantiarum x,
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in minimis vero diſtantiis ſit quam proxime in ratione recipro-
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ca triplicata: </
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<
s
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">uſque adeo ne apud Newtonianos quidem ſerva.
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</
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<
s
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">tur omnino accurate ratio duplicata diſtantiarum.</
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<
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">Ex planetarum
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apheliis erui
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eam legem
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quamproxime.
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non accurate.</
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tariis, eam, quam Aſtronomi lineam apſidum nominant, & </
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<
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axis ellipſeos, habituram ingentem motum, ſi ratio virium a
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reciproca duplicata diſtantiarum aliquanto magis aberret, cum-
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que ad ſenſum quieſcant in earum orbitis apſidum lineæ, intulit,
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eam rationem obſervari omnino in gravitate. </
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<
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">At id nequaquam
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evincit, accurate ſervari illam legem, ſed ſolum proxime, ne-
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que inde ullum efficax argumentum contra meam Theoriam de-
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duci poteſt. </
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<
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">Nam inprimis nec omnino quieſcunt illæ apſidum
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lineæ, ſive, quod idem eſt, aphelia planetarum, ſed motu exi-
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guo quidem, at non inſenſibili prorſus, moventur etiam reſpe-
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ctu fixarum, adeoque motu non tantummodo apparente, ſed ve-
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ro. </
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<
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">Tribuitur is motus perturbationi virium ortæ ex mutua
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planetarum actione in ſe invicem; </
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<
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">at illud utique huc uſque non-
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dum demonſtratum eſt, illum motum accurate reſpondere actio-
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nibus reliquorum planetarum agentium in ratione reciproca du-
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plicata diſtantiarum; </
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<
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">neque enim adhuc ſine contemptibus pluri-
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bus, & </
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<
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">approximationibus a perfectione, & </
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dum remotis ſolutum eſt problema, quod appellant, trium cor-
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porum, quo quæratur motus trium corporum in ſe mutuo agen-
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tium in ratione reciproca duplicata diſtantiarum, & </
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<
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projectorum, ac illæ ipſæ adhuc admodum imperfectæ ſolutiones,
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quæ prolatæ huc uſque ſunt, inſerviunt tantummodo particulari-
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bus quibuſdam caſibus, ut ubi unum corpus ſit maximum, & </
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motiſſimum, quemadmodum ſol, reliqua duo admodum minora
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& </
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<
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">inter ſe proxima, ut eſt Luna, ac Terra, vel remota admo-
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dum a majore, & </
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<
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<
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nemo hucuſque accuratum inſtituit, aut etiam inſtituere potuit
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calculum pro actione perturbativa omnium planetarum; </
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<
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bus ſi accedat actio perturbativa cometarum, qui, nec ſcitur,
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quam multi ſint, nec quam longe abeant; </
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<
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gis evidenter patebit, nullum inde confici poſſe </
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