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Livro Hibbeler - 7ª ed Resistencia Materiais (Livro)

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232 RESISTÊNCIA DOS MATERIAIS

Centroide

N

M

y

dA

r

R

O'

(a)

M

ISO

-(R - r)

2

M

(b)

Variação da tensão de flexão

(vista lateral)

(c)

N

(d)

Figura 6.44

O'

(e)

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