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# Title: [Philosophiae Naturalis Principia Mathematica] Philosophiæ Naturalis Principia Mathematica (shelfmark Leibn. Marg. 166)
# Folio 19, page id 1041163592:0053
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PRINOTPLA MATHEMAETOA.
rum) ec sccundum lineas parallelas dCco, Corpora a desuat
L l. C l. d.
Ter (quoad velocitatem) morebunt per Legem Lr. adeoque nunquam MotoS.
mutabunt politiones ec motus eorum inter (c.
Scholium.
FTactenus principia tradidi a Mathemacieis lecepta ec experien-
tia mulciplici contirmata. Per Leges duas prinas a Vorollaria duo
Prima Calilaus invenit descentum Crrarium elle in auprleata ratione
temporis, ex mocum Projectilium heri in Parabola; Conspirante ex-
Perientia, nisi quatenus morus illi per aeris relemtam aliquantu.
lum recardantur. Ab iildem Legibus e Corollas pendent de-
monstrara de temporibus oscillantium Pendulorus, caurasante II0-
rologiorum experientia quoridiana. Ex his ldem se L ege tercia
Christophorus Wrennus E Ques AUraCUS, Fohades WVallipus S. T. D.
ee Christianus Flucenius, hujus aetatis Ccometrarum Facile prin-
cipes, reculas congressuum ec reflexionum dubrum corporum se
ortim invenerune, ex eodem Fere tempore cum Societate Regia
communicarune, inter sc (quoad has leges) ommne conspirantes:
ec primus quidem Wallisus, deinde Wrennus C Frucenius inven-
tum prodiderunt. Sed Sc veritas Comprobaca ClL d Menno co-
ram Regia Societate per experimentum Pendulorum: quod etiam
Clarissimus Mariottus libro inceero exponere mox dignatus elt. Vc
rum. ut hoc experimentum cum Theoriis ad amulum concruat, la
benda est ratio cum resistentiae aeris, tum cciam VIS L LAITICK CON-
currentium corporum. Pendeant corpora , B HIIS parallelis de
egnalibus AC, B D, 2 CCNErIS C, D. FIIS CCHMIIS LL ICerVaIIIS de-
seribantur Temicirenli F AF, GBH radiis C A, D D BIICCII. LIa-
HatUE COrpuS A ad arcUS F AF punctum quodvis H, d (TaoCtO
corpore B) demictatur inde, redcatque polt unam olcillationem
ad pUnCTUMV. RR RV rC.
cardario ex relistencia aeris
TTujuS RV AAESZ parSquar
ia lica in medio, ica scilicee
UE RS EE TV EQUENEF, (IC.
que RS ad SZ uE 3 ad 2.
HFista ST exhibebic recarda-
tionem in descensu ab S ad 
quam proxime. ResticuatUr
corpus B in locum suum. CadaE COrpUS A de puncto S, et velo-
citas ejus in loco reflexionis 2, ab (que errore sensbili, tanta cric ac