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niutonis meore kanoni. sxeulze momqmedi Zala tolia sxeulis impulsis<br />
cvlilebis siCqaris da gaaCnia Zalis moqmedebis mimarTuleba.<br />
d p<br />
F =<br />
dt<br />
Tu m = const,<br />
meore kanoni gamoiTqmeba: sxeulis aCqareba<br />
F<br />
pirdapirproporciulia Zalis da ukuproporciulia masis: a = , sadac:<br />
m<br />
2<br />
dv<br />
d r<br />
a = = , 2<br />
dt dt<br />
2<br />
d r<br />
sxeulis moZraobis gantolebaa: m = F 2<br />
dt<br />
koordinatTa RerZebze proeqciebSi:<br />
2<br />
2<br />
2<br />
d x<br />
d y<br />
d z<br />
m = F 2 x , m = Fy,<br />
m = F ,<br />
2<br />
2 z<br />
dt<br />
dt<br />
dt<br />
sadac x,y,z, moZravi wertilis koordinatebia.<br />
niutonis mesame kanoni. sxeulebis nebismieri moqmedeba erTmaneTze<br />
yovelTvis urTierTqmedebis xasiaTs atarebs. Zalebi, romliTac<br />
urTierTmoqmedeben sxeulebi sididiT tolia, mimarTulebiT sapirispiro<br />
da modebulia sxvadasxva sxeulebze. mokled asec gamoiTqmeba _ qmedebis<br />
Zala tolia ukuqmedebis Zalis, sawinaaRmdegoa niSniT da mdebareoben<br />
erT wrfeze. (nax.13)<br />
F12 = −F<br />
21 , N<br />
p =<br />
nax. 13<br />
sadac p - sxeulis wonaa, modebulia sayrdenze, N - normaluri<br />
wnevis Zalaa, modebulia sxeulze, e.i. p da N qmedebis da ukuqmedebis<br />
Zalebia.<br />
24
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