Gravesande, Willem Jacob 's
,
Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1
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PHYSICES ELEMENTA
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In hoc caſu, ſi unumquodque pondus per ſuam diſtantiam
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multiplicetur, producta erunt æqualia. </
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<
s
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xml:space
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præcedenti experimento.</
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<
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<
s
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xml:space
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<
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dere omnia ponderantur.</
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</
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<
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>
3.</
head
>
<
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<
s
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xml:space
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">Statera Romana A B habet duo brachia admodum inæ-
<
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<
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xlink:label
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note-0064-02
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xlink:href
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xml:space
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">136.</
note
>
qualia; </
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>
<
s
xml:id
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xml:space
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">in breviori lanx ſuſpenditur: </
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>
<
s
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xml:space
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">longiſſimum in partes æ-
<
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<
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xlink:label
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xlink:href
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xml:space
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">TAB. VIII.
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fig. 3.</
note
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quales dividitur, poſito diviſionum initio in centro motus;
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</
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<
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xml:space
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">diviſiones majores numeris notantur, & </
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<
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xml:space
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">ſingula in octo mi-
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nores iterum dividuntur. </
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<
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xml:space
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">Pondus tale ei applicatur, ut
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in prima diviſione majori æquiponderet cum ſemiliberâ lan-
<
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ci impoſitâ: </
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>
<
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xml:space
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">tum corpus ponderandum lanci imponitur, & </
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<
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pondus ſtatim memoratum per longitudinem brachii longi-
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oris movetur, donec detur æquilibrium; </
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>
<
s
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xml:space
="
preserve
">diviſiones majores
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inter pondus & </
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>
<
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xml:id
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xml:space
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">centrum, ſemi librarum numerum denotant,
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quas corpus ponderat; </
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<
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">ſubdiviſiones uncias indicant. </
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<
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nus etiam pondus quodcunque adhiberi poteſt quo minores
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differentiæ inter corporum pondera determinari queunt.</
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</
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<
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<
s
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">Eodem etiam nititur fundamento bilanx fallax, cujus nem-
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">137.</
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pe brachia ſunt inæqualia.</
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</
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</
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<
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<
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>
4.</
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<
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<
s
xml:id
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xml:space
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">Libræ ſæpius memoratæ duæ lances, ponderis inæqua-
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<
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">138.</
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lis, ut detur æquilibrium, applicantur ab una parte cente-
<
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<
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xlink:label
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xml:space
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">TAB IV.
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fig. 1.</
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fimæad alteram nonageſimæ quintæ diviſioni. </
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<
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">Si tunc duo
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pondera dentur quæcumque, quæ ſint inter ſe ut 19 ad
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20, & </
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>
<
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">illud primæ lanci, hoc vero ſecundæ, imponatur æ-
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quiponderabunt.</
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</
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<
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<
s
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">Plurima pondera ad varias diſtantias ab una parte, cum
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<
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xlink:label
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">139.</
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unico pondere ad aliam partem, poſſunt æquiponderare. </
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<
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quiritur, ut productum hujus ponderis, per ſuam diſtantiam
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a centro, æquale ſit ſummæ productorum omnium aliorum
<
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ponderum, ſingulatim unumquodque per ſuam diſtantiam a
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centro multiplicatorum.</
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<
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5.</
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<
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<
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<
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fig. 5.</
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