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

Table of figures

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              quoque deſcenſus termini A eiuſdem libræ, vt
                <expan abbr="dictũ">dictum</expan>
                <lb/>
              eſt; & ſiquidem pondus F æquale fuerit ponderi
                <lb/>
              DE, tunc efficietur æquilibrium, quia dùm ambo
                <expan abbr="põ-dera">pon­
                  <lb/>
                dera</expan>
              conantur deſcendere deorsùm transferre quę
                <lb/>
              duos terminos libræ versùs infimum ſignum
                <expan abbr="quadrã-">quadran­
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                </expan>
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              tis I, & hoc efficitur æquali vi, & impetu, procùl du­
                <lb/>
              bio vna vis, & conatus impedit motum, &
                <expan abbr="defcensũ">deſcensum</expan>
                <lb/>
              alterius, & ex hoc mutuo
                <expan abbr="impedimẽto">impedimento</expan>
              reſultat quies
                <lb/>
              totius libræ in ſitu horizontali; at ſi pondus F æqua­
                <lb/>
              Ie fuerit vni portioni D totius ponderis DE, tunc
                <lb/>
              præua lente maiori pondere deprimet terminum librę
                <lb/>
              A versùs I, aſcendetque oppoſitus terminus B versùs
                <lb/>
              H tanta vi quæ ſit æqualis exceſſui ponderis E. </s>
              <s id="s.000523">Hinc
                <lb/>
              colligitur quod in libra, vel rota duo æquales im­
                <lb/>
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              petus ad eaſdem partes
                <expan abbr="tendẽ-tes">tenden­
                  <lb/>
                tes</expan>
              , nempè deorsùm, ideoquę
                <lb/>
              ſimiles inter ſe, ſe mutuo impe­
                <lb/>
              diunt, & deſtruunt, itaut quies
                <lb/>
              conſequatur, ſi verò eorumdem
                <lb/>
              ſimilium motuum
                <expan abbr="deſcendentiũ">deſcendentium</expan>
                <lb/>
              vires inæquales fuerint, præua­
                <lb/>
              lebit maius pondus, libramque
                <lb/>
              reuoluet non integra ſua vi, ſed tantummodò illa dif­
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              ferentia, vel exceſſu, quo maius pondus ſuperat
                <lb/>
              minus. </s>
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