Borelli, Giovanni Alfonso, De motionibus naturalibus a gravitate pendentibus, 1670

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              <s id="s.000533">
                <pb pagenum="108" xlink:href="010/01/116.jpg"/>
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              dendo versùs I, eleuabiturque terminus oppoſitus
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              B versùs H, & conatus, ſeù vis, quo libra reuoluitur
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              æqualis erit non differentiæ, & exceſſui ponderis D
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              ſupra vim F, ſed æquabitur aggregato ambarum vir­
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                <figure id="id.010.01.116.1.jpg" xlink:href="010/01/116/1.jpg"/>
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              tutum D, & F. </s>
              <s id="s.000534">Applicetur termi­
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              no B pondus E æquale vi ſursùm
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              impellenti F, pariterque ibidem
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                <expan abbr="ſuſpẽdatur">ſuſpendatur</expan>
              aliud
                <expan abbr="põdus">pondus</expan>
              G æqua­
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              le oppoſito ponderi D, manife­
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              ſtum eſt (amotis, vel coercitis vi­
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              ribus F, & E) quòd
                <expan abbr="põdera">pondera</expan>
              æqua­
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              lia D, & G pendentia à terminis
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              radiorum æqualium eiuſdem li­
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              bræ efficient æquilibrium, & ideò
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              libra quieſcet. </s>
              <s id="s.000535">Præterea quia pondus E æquatur vi
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              contrariæ ſursùm trahenti F, & ambæ applicantur
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              eidem termino B libræ AB (ab æqualibus ponderi­
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              bus D, & G æquilibratæ) igitur duo pondera ſimùl
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              ſumpta G, & E libram impellunt contrario niſu, ſci­
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              licet à B verſus I, & præcisè adæquant conatum pon­
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              deris D, & vim trahentem F, quæ ambo deprimere
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              poſſunt terminum libræ A versùs I ſubleuando ter­
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              minum B versùs H. </s>
              <s id="s.000536">Ergo duæ vires D, & F ſimùl
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                tæ</expan>
              (amotis ponderibus G, & E) determinant vim,
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              ſeù conatum, quo libra reuolui debet ab A, versùs I. </s>
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              Cap. 4. poſi­
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              tiuam leui­
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              tatem noņ
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              dari.</s>
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            <p type="margin">
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              Pr. 47.</s>
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            <p type="margin">
              <s id="s.000539">
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              Pr. 46.</s>
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            <p type="main">
              <s id="s.000540">Et hìc animaduertendum eſt, quòd duæ vires D,
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              & F, quæ reuerà contrariæ ſunt inter ſe (
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              illa deor­
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              sùm comprimat, hæc verò ſursùm trahat) non ſibi
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              mutuò opponuntur, nec vna earum alteriùs motum̨ </s>
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