DelMonte, Guidubaldo
,
Mechanicorvm Liber
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æqualis ſpatio ponderis D moti. </
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">ſpatium enim motus ponderis
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D ſemper æquale eſt ſpatio motus puncti B, cùm in B ſit appen
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ſum: ſpatium ergo potentiæ motæ ad ſpatium moti ponderis eſt,
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vt CA ad CB; hoc eſt vt diſtantia à fulcimento ad potentiam
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ad diſtantiam ab eodem ad ponderis ſuſpenſionem. </
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<
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ſtrare oportebat. </
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15
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Primi.
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Ex
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26
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tertii.
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16
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Quinti.
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23
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Octaui Pappi.
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11
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Quinti.
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<
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">Sit autem vectis AB, cu
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ius fulcimentum B; potentia
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〈qué〉 mouens in A; & pondus
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in C. </
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<
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">dico ſpatium potentiæ
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translatæ ad ſpatium transla
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ti ponderis ita eſſe, vt BA ad
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BC. </
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<
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">Moueatur vectis, & vt
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pondus sursum attollatur, ne
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ceſſe eſt puncta C A ſurſum
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moueri. </
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<
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">Moueatur igitur A
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ſurſum vſq; ad D; ſitq; ve
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ctis motus BD. </
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<
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id
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">eodemq;
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modo (vt prius dictum eſt)
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oſtendemus puncta CA cir
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culorum circumferentias de
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ſcribere,
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ſemidiametri ſunt BA BC. </
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">ſimiliterq; oſtendemus
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ita eſſe AD ad CE, vt ſemidiameter AB ad ſemidiametrum BC. </
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<
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">Eademq; ratione, ſi potentia eſſet in C, & pondus in A,
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oſtendetur ita eſſe CE ad AD, vt BC ad BA; hoc eſt diſtan
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tia à fulcimento ad potentiam ad diſtantiam ab eodem ad ponde
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ris ſuſpenſionem. </
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<
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">quod oportebat demonſtrare. </
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<
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<
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">Ex his manifeſtum eſt maiorem habere pro
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portionem ſpatium potentiæ mouentis ad ſpa
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tium ponderis moti, quàm pondus ad eandem
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potentiam. </
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<
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">Spatium enim potentiæ ad ſpatium ponderis eandem habet, </
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