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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 52, page id 85138403X:0068
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DE CTCLOIDC
=D, ec aequalis insuper prismaris portione oblique secti. (Fodem
plane modo quo super ZZC quadrance fig. 5. intistie cum
2 Tun C Cylindrus quadrantalis, cum ejusmodi C= Vlindri Porrio
obliquae secti CVCn.)
45. Lujus vero Prisinitis momentum respectu rectae AF, est
uE D+ +
120 D. P. Momentum enim crilinei LDC seDeF
cum est 28 esse = D. F = D= P, quod in Prisnacis alcieudi-
nem = D ductum, eac momencum prisinaris dictum.) 9 od qui-
dem ex E+ D PF  D (= 43) Subductum, relinquic, Z, D P
  D+ momencum porcionis prismucis oblique secri crilinco
BDC insistentis, re(DeCTU A F ReCEX. (Adeoque centri gravi-
BB, 52 L
et MOneMEUM respeCTU
46. Acreio inceori parallelepipedi aque alei parallelogram-
mo B C fg. 7. inltentis, eodem plano secri, porrio, nempe 3
D P, in Tur ceneri gravitaris a plano rectae LA insistence di-
ctanciam, nempeiF b F ZbC = =DF Z D = 3D, ducta, dat 132
D. P momentum iltius prismatis, live porcionis parallelepipedi,
respectu ictius AF. Unde A auFeramUS , 2B D P + E L mo-
mencum porcionstrilineo BbC insillentis, in praeced. inven-
cum restabic, 3aD P  . C  momencum porcionis crilineo
BcC insillentis resfectu rectae AF.
47. Duod quidemmomentum, per Colidi magnicudinem
D. P (= 32 inventam, divisum, dac ZD
vicacis ab A F distanciam; adeoque =D
8 DE
et
9 Centri gra-
8D
 ejusdem di-
Btanriam a BB; quae in magnicudinem E+ D = P ducta, dac 5
D. P=  D expolicae porcionis momentum crilineo BCC in-
sictentis, respectu Bb rectae. (Vel etiam, ex prismanis paralle
loorammo BC inlistentis momento respectu, Bb, nempe 5
D. Px = D= 5 D +
insistencis erilineo BbC, rectar s6D P=  D momencum
rorcionis BCC erilineo intistenris respectu BB, uE priUS.)
Quod. a33 proponicur investigandum.