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The system parameters are:  The beam of length L = 4.5 m is made of steel ...

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Find the natural frequency of the system in Hz. The mass is 600kg and the spring stiffness is 500kN/m.

The system parameters are: The beam of length L

= 4.5 m is made of steel

with Young’s modulus,

E = 203.8 x 109 N/m2

. The second moment of area of the beam

I = 1.2 x 10-4 m4. The stiffness of the spring, k, is given in the Figure in units of kN/m. The mass due to the load being lifted, m, is given in the figure in units of kg.

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