SECTION 5.7Fully Stressed Beams441Problem 5.7-7A simple beam having rectangular cross sections with constant height and varying width supports a concentrated load acting at the midpoint (see figure).How should the width vary as a function of in order to have afully stressed beam? (Express in terms of the width at the midpointof the beam.)bBbxxbxPbxhABCABPxChhbxhbBL2—L2—Problem 5.7-8A cantilever beam having rectangular cross sections with varying width and varying height is subjected to a uniformload of intensity (see figure). If the width varies linearly with according to the equation , how should the height vary asa function of in order to have a fully stressed beam? (Express
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