Fabri, Honoré
,
Tractatus physicus de motu locali
,
1646
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<
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pagenum
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411
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xlink:href
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026/01/445.jpg
"/>
in L vt SA ad AL: denique ſi globus cadat in globum, id poteſt fieri
<
lb
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duobus modis. </
s
>
<
s
id
="
N28E26
">Primò, ſi L cadat in X, id eſt linea directionis ducatur
<
lb
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per centrum vtriuſque, & tunc maximus ictus. </
s
>
<
s
id
="
N28E2B
">Secundò, ſi ſecus v.g. ſi
<
lb
/>
globus A cadat in globum O, ſitque punctum contactus in M; ſic autem
<
lb
/>
ictus eſt ad priorem in compoſita ex OYZA ad compoſitam ex MO
<
lb
/>
MA vel vt chorda MY, ſeu MP ad diametrum LB, quæ omnia patent
<
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ex dictis. </
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</
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<
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<
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"/>
<
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italics
"/>
Scholium.
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emph.end
type
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italics
"/>
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</
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</
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<
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N28E47
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type
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<
s
id
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N28E49
">Obſerua ſupereſſe tertium modum percuſſionis, qui fit emiſſione; cum
<
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autem emiſſio tribus modis fieri poſſit.1°. </
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>
<
s
id
="
N28E4F
">ſimplici impulſione ſine ictu,
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& proiectione. </
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<
s
id
="
N28E54
">2°. Percuſſione. </
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>
<
s
id
="
N28E57
">3°. Proiectione, cui adde eiaculationem,
<
lb
/>
vel euibrationem; de his tribus ſequentibus Theorematis agendum eſt. </
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type
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"/>
<
emph
type
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"/>
Theorema
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emph.end
type
="
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"/>
16.
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type
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</
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</
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<
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type
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"/>
Explicari poſſunt omnia phœnomena emiſſionis, quæ fit primo modo, ſcilicet
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/>
per meram impulſionem.
<
emph.end
type
="
italics
"/>
</
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>
</
p
>
<
p
id
="
N28E76
"
type
="
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">
<
s
id
="
N28E78
">Primò, emittitur vt plurimùm globus, ſeu pila Tudiculâ dumtaxat
<
lb
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minori; vix enim eſſe poteſt alius emiſſionis modus, qui ad hunc facilè
<
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non reuocetur. </
s
>
</
p
>
<
p
id
="
N28E80
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type
="
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">
<
s
id
="
N28E82
">Secundò, imprimitur impetus Tudiculæ ſimul, & globo, quia
<
expan
abbr
="
vtrumq;
">vtrumque</
expan
>
<
lb
/>
motum brachij impedit; hoc etiam demonſtrauimus lib.1. </
s
>
</
p
>
<
p
id
="
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type
="
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">
<
s
id
="
N28E8F
">Tertiò, quò maior eſt Tudicula, tardiùs mouetur, vt patet: </
s
>
<
s
id
="
N28E93
">hinc po
<
lb
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tentia manet diutiùs applicata; </
s
>
<
s
id
="
N28E99
">non tamen propterea globus velociùs
<
lb
/>
mouetur, vt patet, quia ſingulis inſtantibus minùs in eo producitur; </
s
>
<
s
id
="
N28E9F
">eſt
<
lb
/>
enim quaſi pars Tudiculæ; ſecus tamen accidit, ſi Tudicula verberet
<
lb
/>
pilam, de quo infrà. </
s
>
</
p
>
<
p
id
="
N28EA7
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type
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">
<
s
id
="
N28EA9
">Quartò, ſi Tudicula ſit longior, longiùs emittitur pila; </
s
>
<
s
id
="
N28EAD
">ratio eſt, quia
<
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/>
diutiùs manet potentia applicata pilæ; </
s
>
<
s
id
="
N28EB3
">quippe magis contrahitur bra
<
lb
/>
chium: hinc longiùs porrigitur, vt clarum eſt. </
s
>
</
p
>
<
p
id
="
N28EB9
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type
="
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">
<
s
id
="
N28EBB
">Quintò, ſi maior ſit Tudicula, & pila emittatur verberatione, longiùs
<
lb
/>
emittitur; </
s
>
<
s
id
="
N28EC1
">ratio eſt, quia maior impetus imprimitur Tudiculæ à potentia
<
lb
/>
diutiùs applicata; diutiùs autem applicatur maiori, quia tardiùs moue
<
lb
/>
tur, vt ſuprà diximus. </
s
>
</
p
>
<
p
id
="
N28EC9
"
type
="
main
">
<
s
id
="
N28ECB
">Sextò, pila emiſſa velociſſimè mouetur eo inſtanti, quo vltimo tan
<
lb
/>
gitur à Tudicula; quia deinceps nihil prorſus impetus accedit, ac proin
<
lb
/>
de continuò ſenſim deſtruitur ab eo inſtanti. </
s
>
</
p
>
<
p
id
="
N28ED3
"
type
="
main
">
<
s
id
="
N28ED5
">Septimò, nunquam mouetur pila emiſſa velociùs ipſa Tudiculâ, cum
<
lb
/>
ſcilicet emiſſio fit per meram impulſionem; </
s
>
<
s
id
="
N28EDB
">quia ſcilicet vltimo inſtanti,
<
lb
/>
contactus velociſſimè mouetur pila; </
s
>
<
s
id
="
N28EE1
">ſed eo inſtanti æquè velociter mo
<
lb
/>
uetur Tudicula, vt conſtat: porrò ideo emittitur pila, quia retinetur Tu
<
lb
/>
dicula, ne longiùs recedat. </
s
>
</
p
>
<
p
id
="
N28EE9
"
type
="
main
">
<
s
id
="
N28EEB
">Octauò, cum verò emittitur pila per verberationem; </
s
>
<
s
id
="
N28EEF
">haud dubiè, ſi
<
lb
/>
pila leuior eſt Tudicula, mouetur deinde velociùs; </
s
>
<
s
id
="
N28EF5
">ſecus verò, ſi grauior
<
lb
/>
eſt & æquè velocior, ſi æqualis eſt grauitatis; </
s
>
<
s
id
="
N28EFB
">patet ex dictis de impetu; </
s
>
</
p
>
</
chap
>
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body
>
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text
>
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