m09_ps10_fall03 - problem A = 500 x 10-6 m 2 E = 70 x 10 9...

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Problem M9 (Materials and Structures) In the truss shown below determine the deflection of point D under the 10kN load shown (horizontal and vertical components). The force-displacement relationship for the bars (in FL the absence of any temperature change) is given by d = where d is the bar extension, L, AE the length of the bar, A, the bar cross-section and E the Young's Modulus. For the bars in this
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Unformatted text preview: problem A = 500 x 10-6 m 2 , E = 70 x 10 9 N/m 2 . Assume that the deformations of the bars are small compared to their length. Angles BAC and ACD are both right angles, BC and AD are parallel to each other....
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