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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
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Celerits, or chroneh che tame Space in che lame
Time.
3. IF ihe Force in ehe siven Time T, move
any Weiohe Thro ehe SpaccOr Lenoch L, in che
Timien Y, ic Mallmore ic chro che spacent.
a. Voberctore it che Force V, in che Fime T.
more any Weiohc, as P chrothe Lenschor SpacCL
the Forcem Vinthie Fimen J, Mall move m P
chro the Spacen L: And consequentty a5 V T.
(che Rectanele under the Force and Fime) is 10
PI che Rcctargle under che Weiohe and Di
Ranice:: SoismnVF, 1om n P L.
3. Sitiee Ehe deBrees dE Celeriry are proporci-
10. IF against the Wciohe P, movel by che
force V, Wich che Ccierury C, anorher neist
Or Body Mall strike directir, movins che lame
War, buc wich ercater Celerirs: As suppole che
Wreiohe mP, vrich che Celeries n C, (Wtich
theretore will be carried ferward Wirh che Force
mn V:) Ascer chiis, chex will boch move lor-
nn
Ward wich the Celerirs in C.
For, Y. PC:: mnv. mneC:: V F mnv
1 = m n. V.)1
c0 L  m P x bY
mn P C: nohichis equat
F -)  m1
onable toche Lenorhsrun ovet inche lame Time. And cheretore che Impetus ot the Precedine
OF (vtich is che same chin∞) are proportionabie
Im.
10 che Times caten ux in pasins over such Body will be,- ( m PC: and ol che Follo-
mn
Leneihs: Therelore ic vill ve, 25 . C:: (ins.  -  m m P C.
mL m
P. n C. Thac i5, ihe deprees os Celeriey 12. H ihe Nciehes or Bodies ace carrieci con-
villbe in a Ratio compounded directly oF che rrary Wars, cher ill meet, and mucualls Arilie
Lenschs, and Reciprocally ot the Times.
28ainst each orher.
Suppose ihe Weiphe P, Catried by che Force V,
6. Since 25VT. PL :: mnV PtOmnPF, Wich che Ccleries C, towards the righe hand;
in vill be a5 V. F:: m V. mn PL
Z, Thacis, IF the Force V be able ro more
the WeiphtP, accordins to the Celerity C;
then Will che FOrce m V, move che Came WVci∞HE
P, in che Celeritr mC; or wich che bare Cele
rier C, che Weishu mP: Or, in one vord, ir
Will be able to more any WVeiphe Wich chat Ce.
lerier, il che Product ot che Weiehe mulciplied
by che Ccterics, be mPC.
and the Weighe m P, wich che Cclerier n C
J Thac is, Cand contequenrir carried by che Force mn V)
V. PC:: m V. n PC = m P Xby C; or:
P X by mC.
8 And on this depends che ReaIon OF the
Construction of all manner of Engines and M2
chines, For Facilitatins oF Mocion, viz. Thac in
towards che letr hand: Then may che Imperus.
Direction, and Celeriey ot cach be thus cal-
culared.
The Body wrhich mored towards che righe
hand, it che ocher had been at rest, vould have
eiven ic che Celerier = C, (by che geh; )
and consequenls che Impetus, - m C P,
ot movins to che rietr hand; and poohid hare
recained EO ir sell che Camie Celerity, aud che
Impetus;  m PC also tovard the righe
hand. And che orher Body carried torrard che
Whaterer Proporrion che WVeishe be enerealed, lett hand, would, il che former had been ac rect
the Celeritr De decreased accordinsly: Fror
erhence it comes that the Product ot the Celeri-
es mulciplied by che Weishe, For moving che
lame Force, is alvays che lame, viz. V. PC.
DV. m P X = C: That i5, PC.
have siven ic che Celeriis,  m C; and chete.
Coreche tmperus   m P C, romacds che
lett hand, Dy che same realon; and it vould
hare recained co irs selt the lame Celerier, and
9. IF Mhe Weish P, By he Force V, carried cheretore che Imperus
accordins eo che Celerits C, Arike direetly 2-
Fainstthe Weishem P; which, tho suppoled at
n
vard ihe lese hanc.
nn= m PC al(0. 10-
Wherelore sinee rhe marion mas made boch
rest, ver is capabse ot beins mored; boch che ways, the Rogregare of the Impetus ofche For-
Bodies, alter the Aroak, will be carried wirhche mer BodY, Will arise our ol ihie Impetus
Celeriism C. FOr, BY realon che same
Forceis impelledromore the greater Dody, che
Celeriry oF ir will be lessened alter che lame R
cio, viz. V. PC:: V. m Px=
+=  m
PC. And cheretore the Impetus, (or Product
oF the Weishemulciplied by che Celerity) oFche
octer villbe J. 1
in One, mPC.
n
Jn PC coche Riptr, and  PCTOcC
Ies: And cheretore in realier, it will move ci-
Thex to the righe or sefF, accordins as that Or Tis
is greater, and by an Imperus, which is the dif-
Ference bertucen those 2 Impetuss. Thatis, Suv-
Polins-) ro tienite co che rishchand, and = r0
ehe letc, che Imperus ill be
mn
 in PC, wiich i6 equat