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# Title: [Johannis Wallisii SS. Th. D. Geometriae Professoris Saviliani Oxoniae, Tractatus Duo] Johannis Wallisii SS. Th. D. Geometriæ Professoris Saviliani Oxoniæ, Tractatus Duo (shelfmark Leibn. Marg. 103)
# Folio 48, page id 85138403X:0064
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 ltC22
momentum (respecta ejusdem cC) incegri prismatis super ea-
dem bale, alcicudinem habentis rectae A C aequalem, ex puncto
A suspenti. (Omnes enim Z V ductae cum in C Z = 2 a PFOPTCL
distantiam, cum icerum in eandem CZ. = 2 a proxrer alcirudi-
nem diltancix aequalem, tancundem est acque in q a: e simili-
ter, eadem oinnes ductae rum in alcicudinem maximam, cum ive-
rum in maximam distanciam, cantundem est arque in quadracum
AC ductx.) Hoc est, (proprer binarum tourarum parallelas
rectas proporcionales,) uc momentum ejulmodi porcionis prisma
eis super crilineo BcC Ag. 7. in Puolicu, ad momentum similis
prismaris inceori ex puncto C suspensi respectu rectae Bb. Ouam
rationem (c inveltioamus:
26. Distantia Ceneri oravicaris Triliniri BB C A9. 7. et con-
sequenter erilinei BCC, d recta Bb, sic colligieur. Ouadrancis
ODCHg. T. vel 8. centrum gravitatis a recta C D distat
D.
D 3
(quancum scilicee a centro circuli distat cenerum gravicatis sem-
circulis) a rectaigitur A F distac,
2 D2
D + ZD; quae distancia in
ejusdem quadrantis magnicudinem  D P ducca, dac = D2 + 5
D P, MOMCHCUM QUadTAnEIS G D C PESDCCEU FCCEX A F; cui (I
addacur momencum crianguli CbF, (Factum ubique ex magni-
cudine in distantiam centri gravitacis) = D = Z R= X Z R, Ba-
becur = D +, = D2 P momencum sectOris F bC reSPCCEU A F
TCCCR.
27. Flt aurem momentum quadrilinei BB F C Ag, T. ad mo-
mentum dicti sectoris Fb C (respectu ejusdem A L FCCEX) uEC
ad 2 (Per S 26;) Adeoque momencum quinquilinei BBF bC
Ho. T. hoc est quadrilinei BBF C Ag. 7. ad idem sectoris mo-
mencum, ut 3 ad 2; adeoque 5 D2 + D = P.
28. Unde si auteracur momencum parallelogrammi BF:
nempe sDPx = D =, = D = P, manebir ED + 6 D2 P mO-
mencum crilinei BbC (Hg. T. vel 7.) respectu recTE AF.
29. Hloc aurem momentum, per erilinei hujus magnicudinem
R=  = D2 divisum, dac ZD + F P distantiam ceneri gravicaris
dicti erilinei BB C ab A F rectas Adeoque  P ejuldem distan-
tIam a Pb: EE consequenter = D = X ,E P = a D P momentum
diccicrilinei Bb C respectu rectae Bb.