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447_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

447_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

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SECTION 5.7 Fully Stressed Beams 441 Problem 5.7-7 A 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 a fully stressed beam? (Express in terms of the width at the midpoint of the beam.) b B b x x b x P b x h ABC A B P x C h h b x h b B L 2 L 2 Problem 5.7-8 A cantilever beam having rectangular cross sections with varying width and varying height is subjected to a uniform load of intensity (see figure). If the width varies linearly with according to the equation , how should the height vary as a function of in order to have a fully stressed beam? (Express
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