02-01ChapGere.0001

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63 Changes in Lengths of Axially Loaded Members Problem 2.2-1 The T-shaped arm ABC shown in the figure lies in a vertical plane and pivots about a horizontal pin at A . The arm has constant cross-sectional area and total weight W . A vertical spring of stiffness k supports the arm at point B . Obtain a formula for the elongation d of the spring due to the weight of the arm. Solution 2.2-1 T-shaped arm 2 Axially Loaded Members b b AB C k b F REE - BODY DIAGRAM OF ARM F 5 tensile force in the spring d 5 elongation of the spring d 5 F k 5 4 W 3 k F 5 4 W 3 F ( b ) 2 W 3 ¢ b 2 2 W 3 ¢ 3 b 2 2 W 3 (2 b ) 5 0 © M A 5 0 ` ~ b b A B C F W 3 W 3 W 3 Problem 2.2-2 A steel cable with nominal diameter 25 mm (see Table
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## This note was uploaded on 09/20/2009 for the course COE 3001 taught by Professor Armanios during the Spring '08 term at Georgia Tech.

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