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Zalis momenti _ fsevdoveqtoria, misi mimarTuleba ganisazRvreba<br />
marjvena burRis wesiT misi mobrunebisas r -dan F -sken. Zalis momentis<br />
moduli<br />
M = r ⋅ F sin α = � ⋅ F<br />
aq α _ kuTxea r da F veqtorebs Soris, � = r sinα<br />
-Zalis mxari 0<br />
wertilis mimarT.<br />
Tu adgili aqvs ramdenime Zalis, an ZalTa sistemis zemoqmedebas,<br />
maSin ZalTa sistemis momenti _ mTavari an tolqmedi momenti _<br />
geometriuli jamia am wertilis mimarT sistemis n Zalebis:<br />
M<br />
=<br />
n<br />
∑<br />
i−1<br />
42<br />
[ r1<br />
× Fi<br />
]<br />
sadac ri - radius-veqtoria, gavlebuli 0 wertilidan F i Zalis<br />
modebis wertilamde.<br />
[ ] = n ⋅m<br />
M ,<br />
dimM<br />
2 −2<br />
= L MT<br />
impulsis momenti<br />
materialuri wertilis impulsis momenti 0 uZravi wertilis mimarT<br />
ewodeba L i veqtors, romelic tolia r i . radius-veqtoris veqtoruli<br />
namravlis impulsis Pi � veqtorze. ri � radius veqtori gaivleba 0<br />
wertilidan materialur wertilamde (nax. 25)<br />
nax. 25<br />
[ r i ]<br />
L ×<br />
i = pi
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