Fabri, Honoré, Tractatus physicus de motu locali, 1646

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              intenſionis verùm etiam extenſionis; debet etiam accipi punctum illud
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              in linea motus. </s>
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              Definitio
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              3.
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              </s>
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            <p id="N295B1" type="main">
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              Centrum percuſſionis eſt punctum illud corporis impacti in quo ſi contactus
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              fiat, maximus ictus infligitur.
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              </s>
            </p>
            <p id="N295BC" type="main">
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                <emph type="center"/>
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              Definitio
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              4.
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              </s>
            </p>
            <p id="N295CB" type="main">
              <s id="N295CD">
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              Linea directionis eſt linea motus centri grauitatis.
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              Poſitiones
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              1.
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              </s>
            </p>
            <p id="N295E3" type="main">
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              Centrum grauitatis dirigit linea motus aliorum punctorum.
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                <emph type="center"/>
                <emph type="italics"/>
              Poſitiones
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              2.
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              </s>
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            <p id="N295FB" type="main">
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              Si percuſſio ita fiat, vt totus impetus corporis impacti impediatur maxi­
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              ma eſt.
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              </s>
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              Poſitiones
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              3.
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              </s>
            </p>
            <p id="N29615" type="main">
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              Momenta ſunt, vt diſtantiæ.
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              Poſitiones
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              4.
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              </s>
            </p>
            <p id="N2962D" type="main">
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              Omnes partes corporis, quod mouetur motu recto, mouentur æqua­
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              liter.
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              </s>
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              Poſitiones
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              5.
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              </s>
            </p>
            <p id="N29647" type="main">
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              Corpus graue ſuſtinetur in æquilibrio, cum ſuſtinetur in linea dire­
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              ctionis.
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              </s>
            </p>
            <p id="N29652" type="main">
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                <emph type="center"/>
                <emph type="italics"/>
              Poſitiones
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              6.
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              </s>
            </p>
            <p id="N29661" type="main">
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              Centrum percuſſionis eſt in illa linea, quæ dirimit vtrimque momenta, tùm
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              ratione impetus, tùm ratione diſtantiæ.
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              </s>
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            <p id="N2966C" type="main">
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              Poſitiones
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              7.
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            <p id="N2967A" type="main">
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              Si pondera inæqualia ſunt in æquilibrio, diſtantiæ ſunt, vt pondera per­
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              mutando; vel collectio diſtantiarum eſt ad maiorem, vt collectio ponderum ad
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              alterum pondus, quod maius est, &c.
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              </s>
            </p>
            <p id="N29688" type="main">
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              Poſitiones
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              8.
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              </s>
            </p>
            <p id="N29696" type="main">
              <s id="N29698">
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              Maximus ictus infligitur in linea directionis, per ſe,
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              vt conſtat ex
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              poſ.5.6.2. </s>
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            <p id="N296A2" type="main">
              <s id="N296A4">
                <emph type="center"/>
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              Theorema
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              1.
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              </s>
            </p>
            <p id="N296B1" type="main">
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              Centrum percuſſionis lineæ mobilis motu recto eſt idem cum centro graui­
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              tatis eiuſdem.
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              </s>
            </p>
            <p id="N296BC" type="main">
              <s id="N296BE">Sit enim linea AC, horizonti parallela, v.g. quæ cadat perpendi­
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              culariter; </s>
              <s id="N296C6">ſit eius centrum grauitatis B, quod ſcilicet vtrimque æqua­
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              liter diſtat ab AC; </s>
              <s id="N296CC">centrum percuſſionis eſt in B. Probatur; </s>
              <s id="N296D0">quia cùm
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              in B impediatur totus impetus; </s>
              <s id="N296D6">quippe neutrum ſegmentum præualere
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              poteſt; eſt enim vtrimque æqualis impetus, per poſit. </s>
              <s id="N296DC">3. 4. certè maxi­
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              ma percuſſio eſt in B, per poſit.2. igitur eſt centrum percuſſionis per </s>
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          </chap>
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