wnH
tga, : Hrec dHrec
wH.,a dVn,o
: tgFr. (7 .32)
Peanasaqr4n ycnroBlit Q.qD n 9.22) Ailn HeKoroporo r noxasa-
Ha Ha puc.7.6. I-Ippnaox_pacqera coorBercrByer paccMorpeHHoMy Bbr-
tlre AJrf cryqafl Qop:0. HeNoropoe pa3JrHuue 6yaer .uprrul B pacqere
zn.6 xax QyttKrrr4H cyMMbr Qs r.r Qro, a raKx{e cMeu{eHtre paiueruoft
TOTTKH 0 B 0t no fopr.l3oHTaJrr.r Ha 3Har{enun IX/nn
oHsr.rqecxali cunrcn (7.32) Mo)KHo norcHHrb, KaK r.r paHee, paBeH-
crBoM npra6anxll sHepfr.iH or npr.rpocra pacxoAa rroTepe 3HepfH14 or
YMCHblxCHHfl HAIIOPA H rEC, HO MO}KHO, IPCACTABI,IB 'F3t B BIIAC
(7.26), 3arrncarb (7.31) rax:
dtFYc
(7.33)dV 
"pua
LrnH - dp|J."p:*dgFyc,, (7.24)
T. e. B Tot{Ke c hf,ruo nPHPaIqeHI'te oHeprHH, tioABeAeHsotl x f3C 3a
cr{er ,F8t", 6yaer KoMneHcr.rpoBarbcfr 3a crrer rrorepb or-repri.rrr Ha
rpaH3HrHoM cror(e, r. e. __dJFTc"p.
Tax xe r<aK H AJtfl. c,[yt1g" Q'p:0, 3Aecb qe,uecoo6pa3Ho Lrcno.rlb-
3oBaHHe aHaJrofoBoii 3BM AJrr pacqera .?t"d" npH 3aAaHHoM T H
Qrp;40, CrpyrrypHafl cxeMa pacr{era gFSc itoKa3aHa Ha pHc. 7.7.
Puc. 7.6. Cxeua pacqera frloo6 npn
Qop:O u Q"p+O l,nn 3aAallHoro
Tr cpao
Pnc. 7.7. Crpyriryprran cxeMa pac-
ucra 9f$[ npH Qnp:const H
Q n : const
Qnp
260
lrlcno.[rsoBaHrre yc,'roBr.rs (2.8) AonycrnMo rod'rbKo Eiln alailH3a
sHeprerHqecKllx xapaKTeptrcrrrr{ BoAoxpaHrrJrr.ru{a tr noffcHeHtrg BrrAa
nofiyqarcIlll4xcfl 3aBllcHMocteti, a TaKX{e oUeHKH KaqecrBeHHoro Bjtrrfl-
HHff Ha HHX pa3Hbrx Qaxropon.
Peanusauttq ypaB_HeHIrr 3rlnep a AJrn paccMarprrBaelroir 3a^laLrrr
nprr ycJroBur.r, KorAa Qnp+O 14
NFYg : 9,81 (Qro * Q") H.sc, (7.35)
npHBeAer K noilyqeHr.rro cJreAyrouero ycJroBufl, Koropoe 6yaer onpeAe-
JrflTb co6orl orrrr.rMaJrtHmr? pexirrM cpa6orrir.r BoAoxpaHH,IIltilIa:
Q"IF": de/dt. (7.36)
: iBFS""o + "FS" - o
cVcpa6 ' dV"pa6
Peiueune (7.36) Aax{e AJrfl ycJroBrrfl Qn: const y}Ke He 6yAer co-
orBercrBoBarb paBrJoMepHorl no pacxoAy cpa6orlre BoAoxpaHtrJrr.ru{a.
,II,nq cry.lar, KofAa h"rno:ktVct,aa n-pu 
-A,zr,.a:kzQn.a 
14',III4 Lztr,:
:hslQn.a, pacxoA BoAoxpaHHJrr.rqa 6yLer MeHflTbCfl nO ,rrrHeirHouyprJrr.r napa6onuqecKoMy 3aKoHy coorBercrBeHHo BrrAa
Q"n (/) - co * crt;
Q"r(tt - Co -f Cl * Crt,, (7.37)
Aaxe npH ycJlonnu Q6G):const.
C,reAosare/rbHo, V"poa(t) 6yaer ilpH 3ToM r.rsMeHflTbcfl Bo BpeMe.
HI,I NO 3ABHCIIMOCTI,I BHAA .\
Vcp^a(/) : cot { crtz; I
vcp^a(/) : cot * ciz * ,rt'.| (7'38)
Pea.rnsauHs (7.36) Bo3MolKHa nn6o BpyrrHyro MeroAoM KoHeqHbrx
npHpaxr.gHlrl, nu6o c noMorubro 3BM. CrpyxrypHafl cxeMa peaJrrr-
3aUr4r4 (7.36) 6es yqera onpaunuenufi npeAcraeJreHa Ha pHC. 7.g.
Puc. 7.8. Crpyroypuan cxe,Ma
TeHr{Hata BoAoxpaHHJrrru{a 6es
pacqeTa 3Heprono,-
yqeTa orpaFrHqeHHH
2r.t
PHc, 7.9. TeopernqecKue KpHBbre
xHMa cpa6orxu BoAoxpaHHnuflJ,a
onTHMaabHoro pe-
201
z 0.6,2 a ,6
(t:!,,,,.X
lEnPu Qnp= 0
A3 - -.VcPad hrpo1
llFa anplFu I 6, u
a^D+0
Hg
_Q x.6