Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences, fol. -
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- ETRE, Ox Eyre, in Brition, Cap. 2. Ishities che simmorable, then che ela stick Foree will act equal
- ly in cach Body, and produce equal murarions ot
- are those which Bracton in mans Places calleth Mocion.
- ise called; Which is, or Mould bY ancienE ter
- be held every chree Xears, by che sultices ot ine
- FOrCIL.
- And Nom ehis Flastioity in Bodies, arises char
- Resilition or leapins back trom one anocher, wrhich
- ere obserre in mans Bodies on cheir movins lvite.
- ly one against anocher. The ulual method cojudge
- Wrheces boces are endomed wich chis elastict
- Oualier or noc, is lo enquire, Whecher on beino
- Aruck, cher sire any tinnitus or ringins Sound, or
- Spring when bene, and endearourins ro unbend ic indeed any sensible Noile; For itcher do, voumay
- TelF 2gain.
- In Physick, ris caken For rue Cccarour ot Sprin-
- Bins or Elastick Parricles, When comprels d or
- crowded into a lictle room, ro dilare and erolre
- chemselres again: Wheretore, by chis Name chey
- Frequeney call such an explotion oE Animal Spirits
- 25 is Frequent in Cramps, Or Conrulions.
- The
- etfect oF this Porver, or this Oualiey in Bodies, ic
- called Flasticity; and Bodies char hare it, Flastick
- Bodies.
- And 25 a Sost Body is a WMCH Wwhen press d
- vields co the Scroke, and loles irs Former Figure, and
- CaHNOL reCOVeF IE SelFagain: S6 an
- Elastick B0d) 15 chac wes Cho iE Vields FOr a
- While co che Siroak, yet can asterwards recover irs
- formet Fipure by itsoon natural Pover; and il it
- can do chis wich che lame Force a5 char which prest
- uponit, welas tispertecty Clastrcal.
- IF TherC WCLC HO FlasiCIEY, ChC LaWS OL MOTION
- conclude them in some measure Elastical; and
- charcher are (0 in proportion eo che srengch and
- acurenels of the Sound ther omit.
- MI. Reil sires thele Rules For the morion ot
- elastick Bodies.
- TH F OR L M.
- sainst anocher, iletc Will be or remain in cach ehe
- Pame relatire lelociey as rvas betore; thatis, such
- Bodies ill recede trom cach orher wich the lame
- Velocier chac they met together with.
- For the compressire Force, or the magnitude or
- the Srroak in any giren Bodies, arises trom there-
- latire Velocier ofchose Bodies, and is proporrional
- coir: And Bodies perfectly Flastick, ill rectore
- themlelres complearty to the Figure ther had be-
- fore theShock; Or in other mords, the Restitutire
- Found by Machemaricians, about the Percussion of Force. is equal ro the Comprestire, and theretore
- erro Bodies, ivould hold univertally, and be writhour must be equal ro the Force wich which they ac
- exception eruc: And che Bodies (a5 Mr. Keit ob- ceded, and consequently cher must by Flasticirs
- serres in his Introduct. ad Veram. Phylicam. P. 15T.)
- vould more joes hac vas conatus Wntenthe
- Aronset Bodr cended betore the Shock OF PerCuI-
- tion, and wich a Cclertes cams aca. 6y
- those TaWS OF Morion. But because chere are
- verr ter Bodies wichour lome degree ot Flasticitr,
- recede asain trom each orher wirh che same Velo.
- cirY. D. F. D.
- COROLL AKL.
- Ftence tatine equal. Fimes Belore and asrerthe
- eren (oEr Clar, Wax, C50. containins wichinthem Stock, and che Distances berween the Bodies will
- Come Particles os Flastick Air; From hence ic is be equal, and cheretore the distances of che Bodies
- Bodies wrhich Arike or move one against another,
- do sprins or leap back, and more, wich very dif-
- ferent Velociries, somerimes onc vras, lomerimes
- another.
- From the common Center oF Graricy will in che
- Tame Times be equal.
- Whence che LaWS OEthe meerins oF Bodies per-
- sectls Flastick, are castr deduced, wtrich he dorh
- by chis Problem.
- rvo Podies persectir Flastick, Arikee Me a.
- Courrot Justices Trinerant. And Justices in Fyre
- Fusticiarios itinerantes, ot the Egre. The Eyre alse
- Ot the Forest, is nochine buc the fustice-Seat, Orher.
- FLABORATORY. SeC Laborator
- FLASTICK Force, Prinasus, lsele Torce ot
- I rou imagine a Srrins or Wyrerobe Krainca
- and lastned tirm ac cach end, chen ris plain, chac
- IE Cithes the middle parr of che Scrins (Or anv o-
- ther) De cicher drawn by che Fland or prels d by 2
- WVeISHE out oF che righe Position ic as at tirst in,
- then it the Force chac removed ic be nOL Grearer
- chanthe Flastick Force of che Scring, the Scrine
- Wvill AV Back, and if che WVeigh or Body bc nor
- remored, drive it before ic, as the Scrins ota Cro(s-
- Bor doch che Bullet; and che acquird Velocier oF
- ihc Serins will carry ic berond its Ars righe POs.
- tion toards the opposire Parrs, and that (0 Far 25
- eill che morion thac var be equal roche Flacticir
- Ot che Scring; and chen being quire destroy d, che
- String ill recurn again asbefore; and ehus spring
- ins Forwards and backvard, vould (abstractly
- trom che Resistance oF rhe Medium) like a double
- Pendulum, makce continual Vibrations. Thusallo
- it rou Cuppole ans weighe ro Fall on an immorabis
- six d aud perfectly elastick Body; onche Conract
- che Parrs oF che elastick Body Wvill spring back or
- recede inwards, rill che clastick Foree be raised up
- equal ro che Momentum ot che fallins Body; and
- chen chis larter cealins, che clastick F’orce wiil cas
- che Body uprards or from ic, wich the lame Velo-
- cier ic came donn, or as impelled against ic, re
- coverins again itsFormer Figure. Buc it boch he
- I F N
- T0 determine the Rules es the direct mectins or sock
- of bodies perfects Llastical.
- One Construction will serve For aIl Cates oF chis
- Problem,
- Lecthere Detiro Bodies A and B Perrec LId-
- Rical, wrhose common Center oF Grariey let bel,
- and let D be rhe point of Concourle where che B0-
- diesmeer; make C P alvars equal ro C D. Then
- PPar Thac atter the Concourse or Shock, the righE
- Line C F will express rhe Velociry of che BodY A,
- From P cowvards A; and che rioht Line E B will ex
- prets che Velociry oF rhe Body B, Trom E. ronards
- 3.
- Dodies beims Felatich, nerhec ol chem be hed oc
Cite
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/806933011:0280?run=74