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SKRIPTA RIJEÅ ENIH ZADATAKA IZ OTPORNOSTI MATERIJALA

SKRIPTA RIJEÅ ENIH ZADATAKA IZ OTPORNOSTI MATERIJALA

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8. Zadatak<br />

Odrediti pomak to�aka B i D na zadanom sustavu.<br />

Σ<br />

M A<br />

= 0<br />

⇒ F<br />

( a + b)<br />

( a + b)<br />

S ⋅ h F ⋅ h ⋅<br />

∆h<br />

= =<br />

E ⋅ A a ⋅ E ⋅ A<br />

( a + b)<br />

∆h<br />

∆B<br />

F ⋅ h ⋅<br />

= ⇒ ∆B<br />

= 2<br />

a a + b a ⋅ E ⋅ A<br />

a + b<br />

− Sa = 0 → S = F<br />

a<br />

2<br />

10

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