Para o sistema exposto, considere as duas barras tendo massas, m 1 e m 2 . Enc...

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Para o sistema exposto, considere as duas

barras tendo massas, m

₁ e m₂. Encontre:

a)

As frequências naturais.

b)

Os modos de vibrar (Ө

₁/Ө₂).

c)

Represente os modos de vibração.

Dados: L=1m, k₁=10kN/m, k₂

=20kN/m

, k

₃=15kN/m , m₁=5kg e m₂=3kg.

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