A machine base consists partly of a 5.4-m-long S127 X15 steel I-beam supported by coil springs spaced a = 0.625 m apart. The constant for each spring is K = 180 kN/m. The moment of inertia of the I-section is 5.4 x 10-6 m4 , the depth is 0.127 m, and the flange width is 0.0762 m. Assuming that a concentrated force of 6.75 kN transmitted from the machine acts at midspan, determine the maximum deflection, maximum bending moment, and maximum stress in the beam.
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