Question: 3. A structure is modelled by the three degree system shown. Only translational motion in a vertical direction ran norin Show that the influence coefficients

3. A structure is modelled by the three degree system shown.

3. A structure is modelled by the three degree system shown. Only translational motion in a vertical direction ran norin Show that the influence coefficients are: 11=22=33=21k21=31=32=41k, and proceed to find the flexibility matrix. Hence obtain the lowest natural frequency of the system and the corresponding mode shape

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