Varignon, Pierre
,
Projet d' une nouvelle mechanique : avec Un examen de l' opinion de M. Borelli sur les propriétez des poids suspendus par des cordes
Text
Text Image
Image
XML
Thumbnail overview
Document information
None
Concordance
Notes
Handwritten
Figures
Content
Thumbnails
Table of Notes
<
1 - 3
[out of range]
>
[Note]
Page: 109
[Note]
Page: 115
[Note]
Page: 116
[Note]
Page: 117
[Note]
Page: 118
[Note]
Page: 119
[Note]
Page: 120
[Note]
Page: 121
[Note]
Page: 122
[Note]
Page: 123
[Note]
Page: 123
[Note]
Page: 123
[Note]
Page: 124
[Note]
Page: 125
[Note]
Page: 126
[Note]
Page: 126
[Note]
Page: 127
[Note]
Page: 127
[Note]
Page: 128
[Note]
Page: 128
[Note]
Page: 129
[Note]
Page: 129
[Note]
Page: 130
[Note]
Page: 130
[Note]
Page: 131
[Note]
Page: 131
[Note]
Page: 132
[Note]
Page: 133
[Note]
Page: 134
[Note]
Page: 135
<
1 - 3
[out of range]
>
page
|<
<
(97)
of 210
>
>|
<
echo
version
="
1.0RC
">
<
text
xml:lang
="
fr
"
type
="
free
">
<
div
xml:id
="
echoid-div244
"
type
="
section
"
level
="
1
"
n
="
159
">
<
p
>
<
s
xml:id
="
echoid-s2353
"
xml:space
="
preserve
">
<
pb
o
="
97
"
file
="
0123
"
n
="
123
"
rhead
="
DE M. BORELLI.
"/>
ſonnemens, que pour indiquer les fauſſes ſuppo-
<
lb
/>
<
note
position
="
right
"
xlink:label
="
note-0123-01
"
xlink:href
="
note-0123-01a
"
xml:space
="
preserve
">DES POIDS
<
lb
/>
ſoutenus avec
<
lb
/>
des cordes ſeu-
<
lb
/>
lement.</
note
>
ſitions ſur leſquelles il s’eſt appuyé pour y trouver
<
lb
/>
du paralogiſme: </
s
>
<
s
xml:id
="
echoid-s2354
"
xml:space
="
preserve
">Il y en a trois que voici.</
s
>
<
s
xml:id
="
echoid-s2355
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s2356
"
xml:space
="
preserve
">1°. </
s
>
<
s
xml:id
="
echoid-s2357
"
xml:space
="
preserve
">Dans la Critique qu’il a faite du premier de
<
lb
/>
ces raiſonnemens, qui paroît être du P. </
s
>
<
s
xml:id
="
echoid-s2358
"
xml:space
="
preserve
">Pardie,
<
lb
/>
aprés avoir dit que, ſi l’on regarde la corde AC com-
<
lb
/>
me une verge de fer mobile autour du point fixe A,
<
lb
/>
<
note
position
="
right
"
xlink:label
="
note-0123-02
"
xlink:href
="
note-0123-02a
"
xml:space
="
preserve
">ſig. 2.</
note
>
à laquelle le poids T ſoit attaché, ce poids ſera ſou-
<
lb
/>
tenu avec cette verge par ce point fixe, de même que
<
lb
/>
ſur un plan CI perpendiculaire à AC; </
s
>
<
s
xml:id
="
echoid-s2359
"
xml:space
="
preserve
">il fait IL per-
<
lb
/>
pendiculaire à l’horizontale LC, & </
s
>
<
s
xml:id
="
echoid-s2360
"
xml:space
="
preserve
">(pag. </
s
>
<
s
xml:id
="
echoid-s2361
"
xml:space
="
preserve
">139.) </
s
>
<
s
xml:id
="
echoid-s2362
"
xml:space
="
preserve
">il
<
lb
/>
dit: </
s
>
<
s
xml:id
="
echoid-s2363
"
xml:space
="
preserve
">patet quod pondus T.</
s
>
<
s
xml:id
="
echoid-s2364
"
xml:space
="
preserve
">..</
s
>
<
s
xml:id
="
echoid-s2365
"
xml:space
="
preserve
">..</
s
>
<
s
xml:id
="
echoid-s2366
"
xml:space
="
preserve
">..</
s
>
<
s
xml:id
="
echoid-s2367
"
xml:space
="
preserve
">. ad vim quâ idem T inni-
<
lb
/>
titur, & </
s
>
<
s
xml:id
="
echoid-s2368
"
xml:space
="
preserve
">comprimit idem planum IC, eſt ut IC ad LC.</
s
>
<
s
xml:id
="
echoid-s2369
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s2370
"
xml:space
="
preserve
">2°. </
s
>
<
s
xml:id
="
echoid-s2371
"
xml:space
="
preserve
">Dans la Critique qu’il fait enſuite du rai-
<
lb
/>
ſonnement de Hérigone, de Stévin, &</
s
>
<
s
xml:id
="
echoid-s2372
"
xml:space
="
preserve
">c. </
s
>
<
s
xml:id
="
echoid-s2373
"
xml:space
="
preserve
">aprés
<
lb
/>
<
note
position
="
right
"
xlink:label
="
note-0123-03
"
xlink:href
="
note-0123-03a
"
xml:space
="
preserve
">ſig. 3.</
note
>
avoir regardé le poids T ſoutenu par les cordes AC
<
lb
/>
& </
s
>
<
s
xml:id
="
echoid-s2374
"
xml:space
="
preserve
">BC, comme s’il l’étoit ſur les plans CK perpendi-
<
lb
/>
culaire à AC, & </
s
>
<
s
xml:id
="
echoid-s2375
"
xml:space
="
preserve
">CG perpendiculaire à CB, inéga-
<
lb
/>
lement inclinez, il dit (pag. </
s
>
<
s
xml:id
="
echoid-s2376
"
xml:space
="
preserve
">141.) </
s
>
<
s
xml:id
="
echoid-s2377
"
xml:space
="
preserve
">Tunc pondus T
<
lb
/>
dum moveri niteretur per duas rectas inclinatas CK & </
s
>
<
s
xml:id
="
echoid-s2378
"
xml:space
="
preserve
">CG,
<
lb
/>
cogeretur moveri, aut niſum exercere per diagonalem CO
<
lb
/>
ſecantem angulum GCK bifariam.</
s
>
<
s
xml:id
="
echoid-s2379
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s2380
"
xml:space
="
preserve
">Outre cette ſuppoſition, M. </
s
>
<
s
xml:id
="
echoid-s2381
"
xml:space
="
preserve
">Borelli ſe ſert en-
<
lb
/>
core ici de la premiére qu’il a déja faite contre le
<
lb
/>
P. </
s
>
<
s
xml:id
="
echoid-s2382
"
xml:space
="
preserve
">Pardie. </
s
>
<
s
xml:id
="
echoid-s2383
"
xml:space
="
preserve
">Il dit (pag. </
s
>
<
s
xml:id
="
echoid-s2384
"
xml:space
="
preserve
">141.) </
s
>
<
s
xml:id
="
echoid-s2385
"
xml:space
="
preserve
">aprés avoir fait CP
<
lb
/>
perpendiculaire à l’horizontale KG: </
s
>
<
s
xml:id
="
echoid-s2386
"
xml:space
="
preserve
">Idem pondus ab-
<
lb
/>
ſolutum T ad vim, quâ comprimit planum CO, eandem
<
lb
/>
rationem babebit quàm CO ad OP.</
s
>
<
s
xml:id
="
echoid-s2387
"
xml:space
="
preserve
"/>
</
p
>
<
p
>
<
s
xml:id
="
echoid-s2388
"
xml:space
="
preserve
">3°. </
s
>
<
s
xml:id
="
echoid-s2389
"
xml:space
="
preserve
">Enfin ces deux ſuppoſitions ne lui ſuffiſant pas
<
lb
/>
encore pour trouver à redire au raiſonnement </
s
>
</
p
>
</
div
>
</
text
>
</
echo
>