The smaller of two concentric spring is made of 22mm diameter steel & has an outside diameter of 100mm with 10 active coils. The outer spring is made of 32mm steel spring & has an outside diameter 250mm with 8 active coils. Before the load is applied, the outer spring is 25mm longer than the inner spring. If the load of 90kN is applied to this nest of springs, (a) find the spring rate of each spring; (b) what portion of the total load is carried by each spring? Use G = 80GPa

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Slope and Deflection

The slope in a deflected beam is described as an angle in radians made by the tangent of the section with the original axis of the beam. The deflection at any point on the axis of the beam is defined as the lateral displacement of the point before and after loading.