The street light has a mass of \(25 \mathrm{~kg}\). The wind velocity is \(60 \mathrm{~m} / \mathrm{s}\), but the force distribution is as shown in Figure P11.27. Use a three-element, finiteelement model of the structure to approximate the steady-state amplitude of the light.

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Fo sincor Parabolic FIGURE P11.27 4 m E 200 x 109 N/m r-6 cm r = 8 cm