Calculate the maximum deflection δmax of a uniformly loaded simple beam (see figure) if the span length L = 2.0 m, the intensity of the uniform load q = 2.0 kN/m, and the maximum bending stress s = 60 MPa. The cross section of the beam is square, and the material is aluminum having modulus of elasticity E = 70 GPa.

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q = 2.0 kN/m し 2.0 m