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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
# Folio - , page id 806933011:0510
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the Threads M A, and NVP sustainins che
WeioHtS A and P; and let the FOrceS OF thC
Wcishus For che movins oF che Wheel be requi
rcd.
Thro rhe Centre O, draw E OE Perpendi.
cular to the Threads, chen wich the longer Ra-
Hlence ris plain, chac che Weishe p lying on
thole trvo Oblique Planes, is in the Nature oF 2
Nedse wwichin che Parrs oF a Cloven BOdY; and
consequendy che Forcesot che Wedge and Bcetlo
mas trom hence al(o DC KnOWn.
For ihe Force wich which che Weietr p pres-
dius OL, describe a Cirele currins the Threads ses the Plane pC, is ro the force wich whichei
in D and I.: Draw DO, and Parallelto ic AC;
dra also the Perpendicular DC: Becaule it
ther by ies ovn Cravity, Or by the stroak ot che
Bectle ic is impelled accordins ro che Line H,
aEECES nOF Whether the Points oF the Threads in that Planc, :: 25 p N, is 10 p HI, and tothe
IE, L, D, DC AXCd OF nOF rO the Plane oF the
Wrhec, since the Weighe will weigh che lame as
it they vere suspended by the Poines R and L
Force wich which ic presses che orhex Plane pC
:: 25 p N. NFI.
And since che Screrr is norhins but a Nedee
Or D andL: For che whole Pover olche Weiphe forced by a Lcarer, its Poer or Force may by
A is expresed by che Line DA: And this Dia-
Sonal is relolvable into rhe tvo Forces, DC’and
this Mechod be ealily calculated.
AC, (bY Cor. 2.) Now AC beins Parallel rO
DO, and dramine the Radius DO directly
Trom the Centre lignities nochins torards turn-
ins the Whecl. Bur the othex Force DC drav-
ing the Radius DO Perpendiculary; doch che
Came 25 il ic drew the Radius OL Perpendicu-
larly donnvards, ForOD ==OL: Thacis, il
dortr what che Weishr P doch. Now, let che
NVciohEP, be in the same Proportion tO A: : 25
Wheretore (adds che ExcellenE Author: ) This
Corollarr is of most Fxrensire VSc, since all MC-
Chanicks depend upon ic.
MECFTANICK Pomers, (a5 chey call them
are Six, viz. The Ballance, the Leaver, the
MBeel, the Pulley, the Wedee, and the Screm;
co lome or ocher ot wtich, the force oF aIl Me-
chanical Invemtions, must neceltarils be redu-
ced. Scc thole mords.
MECTTANTCAL Philosophy, is che lame wict
DC is IO D A: Thac is, by ReasOn OF the Simi- the Corpuscular, Which endeavours to explicate
lax Friangles AD C and DOK; :: 25O R is the Phenomena of Nature From Mechanicat Prin-
EOOD, Or 1OOL. Then LCay the Wtcel can- ciples; i. e. From the Motion, Rest, Figure, Post
noc more at all, because the Weistus A and P,
are reciprocally as cheir Radii OK and OL. pla-
ced in ihe Came Righe Line; and cheretore
chere rill be an Equilibrium. Which isthelcnonn
PrOperEY OF the Ballance, Lever, Wheel, Wind
lace, ec. Buc if che. Weiohes be in ariy othet
Ratio huc chis, otRO +0 OL, che Whcet will
tion, Magnitude, _cc. OF the Minure P’arricles ot
Matrer. And chese Principles are Trequeny
Called
MECTTAMTCAT Causes: And allo che
MEC LLAMTCAL affections oF Macter.
MIECTAMTCAL Solurion OE a Problem in
Mathemaricks, is cither wrhen che Thins is done
tum thac ar, in wrhich che Proportion ex by repeated Trrals, or When che Lines made ule
ceeds.
Lecchere be anocher W eiehE P = 20 che Lor -
mer Weighe P, which let be partly suspended by
the Thread NP, and parrly Puctained by theTn-
clincd Plane PG: T0 wtich Plane draw. LTN
Perpendicular, and HI p, Perpendicular 10 chie
FTorizon. No ris plain, by Cor. L. Thacil che
Tendener oF the Weighe dononwards DC ex
ot co Tolre ic are noc rruls Geomerrical. Thus
the Method oF Nicomedes, Fratosthenes, Pappus
and Vieta. For tnains uvo mean Proporrionals;
and chac of Nicodemus and Dinostratus, For divi-
dins an Angle into any Parrs altigned, by means
ot che Duadratix, is Mechanical: Because the
Former is done by repeared Tryals, and the lat-
cer by che means oF a Curre chat is noc crulys
pounded by che Line FIP, it is chen ResoL- Geomerrical.
rable inro the Porces PN and FINI.
EOp be drann Perpendicular to the Threac
NTP, (0 aStO Cur the Plane pG, in 2 Line ParaL-
tel tothe Florizon: And it che Weiohep be sup-
MIECOHIOM, properiy is an Opiate, ox che
condensed Juice of Poppies. AIO ThCRXCremenES
OF a Farus, wrhich Aick 10 the Incestines atter
the Birch, are improperir (0 calld, trom che
Poled e0 lic ouly on che tvo Planes pO, and Blacknels ot cheir Colour, likce ro chat Ot POPP)
DC, the Weighe ill press chele Planes Perpen-
diculartr wich the Forces PHI, and HINI: Thac
is, ic Will press che Plane PC, Writh WV P; and
xhe PlanC pG, WITH FT NI.
Wheretore, is  p be supposed 1o be taken
avar, (o char ihe Weishe p may Arerch the
Tuice.
The Opium which ve have in Ensland, France
Xc. is only a Meconium made by expreming che
Suice oF che Oriental Poppies, which is chickenea
à licele by Fraporation, and chen evrape up in
Lcares to be (old here: Buc the Turks, Xc. Keer
Thread N P; ehen because che Thread the Pears of their Poppies, Ox the erue Opium iO
non sustaininsche Weishe, supplies che Place ot
che Plane P, the Thread Will be Atrerch d by
the Force WP, Whichbetore presse d on the Plarie
eciete roil he in Eguitibrio, ad aa one Mas
DOM EY
themlelres, and ill noc rend them abroad.
MEDALS, are Pieces oF Metal like Moner
Stamp d or Coincdupon Pome FXtraordinary Oc
casion, to perpetuare the Memorr ot lome oreat
and Fminent Person, or ot lome considerable Vi
Aaer, or orher Publick Berretic t0 a Nlarion, Ot
People.
Ther divide Medals inco Ancient and Modern;
and the accounr Ancient, aII such a5 avere Coin
ed becrrcen the Third and Ninch Ase oF Christ.
Me Motera ace sict ae have been made midit
this Lact 3 Ox 400 TCa1S.
Wheretore che Tension ot chis Oblique Scrins.
eo elte Lestion ot che ortier Perpendicular one
AIP:: 15 25 PN istoPFI
And conseguentiy, if the Weiohe p, Bc ro che
WelsA:: in a Rario, compoundedot che rect-
procal albes ee Least Diltances ot che Lhreacs
AM, aiset DL, From the Centre ot che Whecl,
and oF the direet Ratio OF P HI, 1O pVI, che