Fabri, Honoré, Tractatus physicus de motu locali, 1646

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          <chap id="N270EE">
            <p id="N2714E" type="main">
              <s id="N2715A">
                <pb pagenum="377" xlink:href="026/01/411.jpg"/>
              ab ipſo proijciente mediatè, vel immediatè, cuius vi deinde mouetur; </s>
              <s id="N27165">at­
                <lb/>
              qui vnus impetus illud ipſum præſtare poteſt, vr conſtat ex dictis, toto,
                <lb/>
              lib. 1. additum eſt, vel niſus ad illam, vt producitur impetus in omni
                <lb/>
              pulſione, nec in omni percuſſione; </s>
              <s id="N2716F">cum enim quis pellit ingentem rupem
                <lb/>
              ſeu percutit pugno; nullum certè producit impetum, niſi aliqua pars
                <lb/>
              auolet, quæ omnia conſtant ex dictis l.1. </s>
            </p>
            <p id="N27177" type="main">
              <s id="N27179">
                <emph type="center"/>
                <emph type="italics"/>
              Definitio
                <emph.end type="italics"/>
              2.
                <emph.end type="center"/>
              </s>
            </p>
            <p id="N27186" type="main">
              <s id="N27188">
                <emph type="italics"/>
              Reſiſtentia mobilis eſt illa ratio, que mobili ineſt, cuius vi vel motum omnem
                <lb/>
              ipſum mobile ab applicata potentia renuit vel tardiorem tantum permittit.
                <emph.end type="italics"/>
              </s>
            </p>
            <p id="N27191" type="main">
              <s id="N27193">Quid verò ſit illa ratio, & in quo poſita ſit explicabimus infrà; </s>
              <s id="N27197">nihil
                <lb/>
              enim aliud nomine reſiſtentiæ intelligi poteſt, quàm id, quo mobile re­
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              ſiſtit motui; </s>
              <s id="N2719F">reſiſtere autem motui, eſt vel totum impedire motum vel
                <lb/>
              eius partem, per quid autem reſiſtat, & propter quid dicemus infrà: ſatis
                <lb/>
              eſt dixiſſe, quid ſit reſiſtere & reſiſtentia. </s>
            </p>
            <p id="N271A7" type="main">
              <s id="N271A9">
                <emph type="center"/>
                <emph type="italics"/>
              Hypotheſis.
                <emph.end type="italics"/>
                <emph.end type="center"/>
              </s>
            </p>
            <p id="N271B5" type="main">
              <s id="N271B7">Lapis 20. librarum difficiliùs proijcitur, vel ſuſtinetur ab eadem po­
                <lb/>
              tentiâ, quàm lapis vnius libræ; hypotheſis certa eſt. </s>
            </p>
            <p id="N271BD" type="main">
              <s id="N271BF">Axiomata nulla præmittemus cum Theoremata lib. 1. demonſtrata
                <lb/>
              ſufficiant. </s>
            </p>
            <p id="N271C4" type="main">
              <s id="N271C6">
                <emph type="center"/>
                <emph type="italics"/>
              Theorema
                <emph.end type="italics"/>
              1.
                <emph.end type="center"/>
              </s>
            </p>
            <p id="N271D3" type="main">
              <s id="N271D5">
                <emph type="italics"/>
              Explicari poſſunt omnia phœnomena ſuſtentationis.
                <emph.end type="italics"/>
              </s>
            </p>
            <p id="N271DC" type="main">
              <s id="N271DE">Primò, vt manus ſuſtineat pondus in ſitu horizontali producit in ſe
                <lb/>
              impetum; </s>
              <s id="N271E4">quia, cùm brachium libero motu librari poſſit, ſuo pondere
                <lb/>
              deſcenderet, niſi aliquod reſiſteret; </s>
              <s id="N271EA">ſed ipſum brachium non reſiſtit; </s>
              <s id="N271EE">igi­
                <lb/>
              tur aliquid quod brachio ineſt; igitur impetus. </s>
            </p>
            <p id="N271F4" type="main">
              <s id="N271F6">Secundò, impetus, quem ipſa potentia motrix in brachio producit,
                <lb/>
              non eſt maior impetu grauitationis ipſius brachij; </s>
              <s id="N271FC">quia alioquin præua­
                <lb/>
              leret; igitur brachium aſcenderet, contra hypotheſim. </s>
            </p>
            <p id="N27202" type="main">
              <s id="N27204">Tertiò, ille impetus non eſt etiam minor; </s>
              <s id="N27208">quia alioqui impetus gra­
                <lb/>
              uitationis præualeret; igitur brachium deſcenderet, contra hypo­
                <lb/>
              theſim. </s>
            </p>
            <p id="N27210" type="main">
              <s id="N27212">Quartò, hinc ſequitur eſſe æqualem, cùm ſit per n.1.nec ſit maior per
                <lb/>
              2.nec minor per 3. ſequitur neceſſariò eſſe æqualem. </s>
            </p>
            <p id="N27217" type="main">
              <s id="N27219">Quintò, ſingulis inſtantibus impetus productus priore inſtanti de­
                <lb/>
              ſtruitur; probatur, quia quotieſcumque ad lineas oppoſitas ex diame­
                <lb/>
              tro determinantur duo impetus æquales, deſtruuntur, ſi deſtrui poſſunt
                <lb/>
              per Theorema 123.lib.1. at verò impetus innatus deſtrui non poteſt, per
                <lb/>
              Theorema 77. libro 2. igitur deſtruitur productus à potentia mo­
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              trice. </s>
            </p>
            <p id="N27227" type="main">
              <s id="N27229">Sextò, propter molliores partes organi, v. g. muſculorum, neruo­
                <lb/>
              rum, impetus naturalis aliquem ſemper effectum ſortitur, com­
                <lb/>
              preſſionis, diuiſionis, tenſionis: </s>
              <s id="N27235">ratio eſt, quia anima non produ-</s>
            </p>
          </chap>
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