Gravesande, Willem Jacob 's
,
Physices elementa mathematica, experimentis confirmata sive introductio ad philosophiam Newtonianam; Tom. 1
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MATHEMATICA. LIB. I. CAP. XXI.
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<
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xml:space
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">Nunc ſit pondus in ſeparatione ſuſtentaculi Orbis A uni-
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us libræ, in ſeparatione ſuſtentaculi Orbis B ſemi-libræ;
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</
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<
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<
s
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xml:space
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">Moveatur rota Q celerius atque celerius, donec globo-
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rum vi centrifuga pondera ſtatim memorata eleventur; </
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bo eodem exactè temporis momento in altum ferentur,
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quod ex ſtrepitu memorato manifeſtum fit. </
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<
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xml:space
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quæ ſunt ut corpora, cæteris paribus, vi centrifuga ſupe-
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rantur.</
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<
s
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xml:space
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">Quando quantitates materiæ in corporibus circumrotatis
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ſunt æquales, & </
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">tempora periodica æqualia, vires centrales
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ſunt ut diſtantiæ a centro.</
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<
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5.</
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">364.</
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gitur; </
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">pro globo ſemi-libræ, pyxidi Orbis B globus alteri
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">TAB. XIV.
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fig. 1.</
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æqualis, id eſt, unius libræ, imponitur. </
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<
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rum a centro ſint in quacunque ratione, ſi pondera cum
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quibus globi conjunguntur eandem inter ſe habeant propor-
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tionem, & </
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eodem exacte temporis momento pondera elevantur. </
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ex. </
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<
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">diſtantia globi Orbis A partium viginti quatuor, & </
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pondus ei annexum unius libræ cum ſemiſſe; </
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terius globi ſedecim partium, & </
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bræ; </
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<
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xml:space
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">Quando tempora periodica ſunt æqualia, ſed diſtantiæ à
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centro & </
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">quantitates materiæ in corporibus revolutis diffe-
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runt, vires centrales ſunt in ratione compoſita, quantitatum
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materiæ, & </
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ſitionibus ſequitur. </
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<
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xml:space
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">Ratio hæc compoſita determinatur, ſi
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quantitas materiæ in unoquoque corpore per ſuam diſtan-
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tiam a centro multiplicetur, & </
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rationem habent.</
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<
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6.</
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<
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tetur, & </
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<
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">globus ſemi-libræ ad eandem diſtantiam partium
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fig. 1.</
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ſedecim a centro pyxidi imponatur, mutetur etiam </
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