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2 2<br />
k mv 2 mv1<br />
A = ΔW<br />
= −<br />
2 2<br />
sadac sxvaobis pirveli wevri Seesabameba nawilakis saboloo<br />
mdgomareobas, xolo meore _ sawyiss.<br />
kavSiri energiasa da impulss Soris<br />
W<br />
38<br />
k<br />
2<br />
p<br />
=<br />
2m<br />
sadac p = mv<br />
nawilakis impulsia, m - misi masa.<br />
[ W ] = j,<br />
dimW<br />
2 −2<br />
= L MT<br />
Zaluri veli, konservatoruli Zalebi<br />
sxeulTa urTierTqmedeba SeiZleba ganxorcieldes maTi uSualo<br />
SexebiT, an Tu sivrcis yovel wertilSi masze moqmedebs garkveuli Zala,<br />
romelic kanonzomierad icvleba. aseT SemTxvevaSi vambobT, rom sxeuli<br />
(nawilaki) moTavsebulia Zalur velSi (mag. gravitaciuli veli).<br />
Zalur vels potencialuri ewodeba, Tu masSi raime sxeulis<br />
gadaadgilebaze Sesrulebuli muSaoba damokidebuli araa traeqtoriis<br />
formaze da srulad ganisazRvreba sawyisi da saboloo mdgomareobiT.<br />
potencialur velSi momqmed Zalebs konservatoruli (potencialuri)<br />
Zalebi ewodebaT. cxadia, potencialur velSi Caketil konturze sxeulis<br />
gadaadgilebaze muSaoba ar sruldeba _ A=0. aseTive Tviseba gaaCnia<br />
centralur vels. vels centraluri ewodeba, Tu sivrcis nebismier<br />
wertilSi nawilakze momqmedi Zalis mimarTuleba gadis uZrav wertilSi<br />
(centrSi), xolo Zalis sidide damokidebulia mxolod am centramde<br />
manZilze. centraluri velis magaliTia dedamiwis zedapiris<br />
maxloblobaSi gravitaciuli veli, uZravi wertilovani muxtebis mier<br />
Seqmnili eleqtruli veli.<br />
gravitaciuli, kulonuri, drekadi Zalebi _ konservatoruli<br />
Zalebia. drekadi Zalebis muSaobaa<br />
kx1<br />
Adr =<br />
2<br />
kx2<br />
−<br />
2<br />
,<br />
sadac k _ drekadobis koeficientia, x 1 da x 2 nawilakis sawyisi da<br />
saboloo mdebareobebia.<br />
2<br />
2
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