bundan
dMx = Q
x d x - q
k e lib c h iq a d i. B u ifo d a d a g i ik k in c h i ta r tib li
k ic h ik m iq d o r e’ tib o rg a o lin m a sa , q u y id a g i fo rm u la g a ega boM am iz:
dMx
=
(7 .2 .)
dx
D e m a k , e g u v c h i m o m e n td a n abssissa x b o ‘ y ic h a o lin g a n b ir in c h i h o s ila
m a z k u r k e s im d a g i k o 'n d a la n g k u ch g a te n g b o ‘ la r ekan.
Q x n in g q iy m a tin i (7 .2 ) dan (7 .1 ) ga q o 'y s a k , q u y id a g i fo rm u la k e lib
c h iq a d i:
d ' M
- * r = - q
(7 ' 3 ->
D e m a k, b ir o r kesim dagi e g u v c h i m o m e n td a n , sh u k e s im n in g abssissasi
b o 'y ic h a o lin g a n ik k in c h i h o s ila te s k a ri is h o ra b ila n y o y iq k u c h in te n s iv -
lig in i b erar ekan. B u d iffe re n s ia l b o g 'la n is h la r, k o ‘ p in c h a , J u ra v s k iy teore-
m a si deb y u r itila d i.
7.4. Eguvchi moment va ko'ndalang kuch epyuralarini qurish
M a ’ lu m k i kuchlanishlar ic h k i kuchlarga b o g ‘ liq boMgan m iq d o rla rd ir, ya’ ni
katta k u c h - ka tta ku ch la n ish , k ic h ik k u c h -k ic h ik k u c h la n is h h o s il q ila d i.
O d atda k o n s tru k s iy a e le m e n tla rin in g m u s ta h k a m lig ig a aynan k u c h la n is h la r
o rq a li baho b e rila d i. B in o b a rin , k u c h la n is h eng k a tta boMgan k e s im
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