Problem 2.3-12A post AB supporting equipment in a laboratory istapered uniformly throughout its height H(see figure). The crosssections of the post are square, with dimensions b3b at the topand 1.5b31.5bat the base.Derive a formula for the shortening dof the post due to thecompressive load Pacting at the top. (Assume that the angle oftaper is small and disregard the weight of the post itself.)Solution 2.3-12Tapered postSECTION 2.3Changes in Lengths under Nonuniform Conditions83HPABAbbB1.5b1.5bSquare cross sectionsb5width at A1.5b5width at Bby5width at distance yAy5
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