Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. Mean line confidence on this page: 0.90.
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The machine reads it as
- conlequently, rhe Space described by che Fall, i5
- hals ivhar vould have been deseribed by an es
- qual Morion wich che Velocier BC, in che lame
- time; Wheretore ehe Velociry BC ac the end ot
- ihe Fall, is doublo ro char Velocity, wrtrich in ehe
- Time AB, vould hare described che space fat
- len reprelenced by che Triangle A BC, ivich an
- equable Morion. d. F. D.
- Proposition IV.
- Al Bodies on or near the Surface of ihe F arcts
- in their fall, descend so, as at the end of the
- first Second of Time cheyhave described 16 Feet
- one Tnch London Mleasure, and acquired the
- Velocitr of 32 Feet 2 Tnohes in a Second.
- This is made out from the 25cH Prop. OF rHC 2a
- pare OF ME. TIugenius de Porologio Osoillatoria
- Wherein he demonstrares che Time ot rhe leaAVI
- brations oF a Pendulum, r0 beto the Time oF che
- Fall oF a Body, From rhe Fleighe oF halF che lenect
- OF che Pendulum, 25 che Circumference oF a Circle
- ro ies Diameter: Whence, 25 a Corollary, ic Fol
- IOWS, chac as the squares OE The Diameter EO chC
- Sgnare oF che Circumference, Po Hals che leneth ot
- he Pendulum vibracins Scconds, ro che space de-
- Seribed by che fall ot a Body in 2 Second oi Time;
- LeF AB reprelent che Time oF the Fall Ot 2 and che lenech oF a Pendulum vibrarins Seconds,
- Body, BC pervendicular ro AB the Velocity dc- beins Found 39, 125, Or 8 Inches, the descent in 2
- quired ac the end oF rhe lan, aba arau che Line Second will be found by che atorelaid Analoei 16
- 4 C, ehien diride che Line A Sepleleneins Boor and ore Tnch, and by che lact Prop. ihe Ve-
- the Time into 25 masss Cesuas Pales a5 vou locity will be double cherero; and near eo chis ic
- pleale, 25 b bbb, MC. a m chele Poinsdram hach been found by several Experiments, wtich
- ihe Lines bc, bc, _c. Parallet c0 BC; ris ma- by realon of ihe Sivifeness ot he Fall, cannOE (0
- nifest, thac ehe Wrtat Lines b0 reprelent che
- several Velociries et che talline Body, in Puch
- exactly decermine ies Ouantity.
- From chese tour Propositions, all Ouestions con
- dene likemise, chac e sre bC is che summ cernins che perpendicular descent of Bodies, arc
- OF all ehic Lines b0 catren rogether, wtrich aCCOr-
- many; (o chac che drea BC reprelents che
- casily Polred, and cither Time, Height, Or Veloci
- cies beins attrened, one may readily sind che o.
- TheF EIVO.
- From them litcewise is che Doctrine oE Projects
- suppoled infinicely many; W Su is the deducible, astumins che cuo follovins axioms,
- viZ.
- P. Thac a Body sec a movins, will move on
- continually in a Rishe Line wvich an equable Mori
- on, untels lome ocher Force er Impedimene in-
- cerrene, Whereby it is accelerated, or retarded,
- or deRected.
- 2. Thac a Body beins agitaced by cuo Motions
- ae a time, does by cheir compounded Forces pale
- chrough che Came Points, as ic vould do, vere
- thetuo Notions divided and acted suecessivelr.
- The Learned Mathemarician, MIr. Reil, in his
- Examinarion oF Dr. Thomas Burnet S Theory of ehe
- Carth, P. 124. proves, Thac che Direction ot
- Hleary Bodies is noc tomards rhe Cenere oE the
- Parch any evhere, bur ac FhC RGUAEOK. OP ac the
- Poles: Flovever chey will be all Perpendicular co
- cheir FTorizons, and (o chere can be no Prror in
- DESCLLIDLHT, a Term in Geomerry, expres
- the torceoine Proposion. Lton u Ln s some Line or Surtace, which by ies Mocion
- 2DC is hate Mhe. Lacaltelobram ABC ti, aud produces a Planc Ribule, oi a dolid. Dec Dirisenc.
- DESICCA.
- Proposicion ut
- The Spaces described by ihe Fall of a Body, ar
- a ibe equares os ehe Times from che besinni
- be Fall.
- Demonstrarion.
- parts OF che Time a5 Ab is ot AB; ic is evi
- ding ro che Mechod ot indivisibles, are intinicely
- Summ oF all che Velociries, becoeen none and BC
- Space descended in chie Time represenced by
- ; lo char che Spaces delcenceu in ne limes
- 2B, 1, arc 25 che AreasoF che Linss BC
- 06, Wie) ec LBTh oE the oco Lna arc
- 25 IC Squares oF rheir Homolozous sides AD, Ab
- chac 1s lolas, ete Les; Whieretore le Delcenes
- A B. And by che lame realon the Areas Ab C
- will reprelent che Spaces descended in che Times
- oE Fallins Bodies are as l o guars et l LC
- OE cheir Fall. Q. F. D.
- Proposition l.
- The Velociey mhich a Descendins Body acquires
- in ans space of Time, is double to that, where
- nith it vould have moved the Space descendec
- s un equable Mocion in chesame time.
- Dmonsration.
- to BC, and complear che Parallelorram AB C P, Fallings ot che Cround: And trom hense (as he
- AL Bevidene chac che Area chereot may reprelent (MheWs, p. 128.) ris plain, che Surtace ot che Larrt
- BC vould describe in che Time AB, and che corial Diameter ro is Polar 15 2569210689.
- hansle ABC reprelents the Space described by
- LHe Fai ot a Body, in che lame rime 10,107
- Dram EC parallet t0 A B and AF Parallel levelline oF Lines, and in Andine che risines and
- the Space, a Body mored equally wich che Velocity, cannor De exactly Spherical, buc the Parchs liqua-
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Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. - . Machine transcription, not an edition: Leibniz Legible (model FoNDUE-GD_v2_ft_Leibniz, run 74). https://leibnizlegible.com/page/806933011:0253?run=74