Determine the smallest moment of inertia I required for the beam shown, so that its maximum...

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Determine the smallest moment of inertia I required for the beam shown, so that its maximum deflection does not exceed the limit of 1=360 of the span length (i.e., Amax < L/360). Use the method of virtual work. 60 kN 300 kN - m 5 m 5 m L= 10 m %3D El = constant E = 200 GPa AG. P7.31 Determine the smallest moment of inertia I required for the beam shown, so that its maximum deflection does not exceed the limit of 1=360 of the span length (i.e., Amax < L/360). Use the method of virtual work. 60 kN 300 kN - m 5 m 5 m L= 10 m %3D El = constant E = 200 GPa AG. P7.31