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# The space truss shown is secured to the fi xed supports at A, B, and E and is loaded by

ISBN: 9781118807330 401

## Solution for problem 4/70 Chapter 4/5

Engineering Mechanics: Statics | 8th Edition

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Engineering Mechanics: Statics | 8th Edition

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Problem 4/70

The space truss shown is secured to the fi xed supports at A, B, and E and is loaded by the force L which has equal x- and y-components but no vertical z-component. Show that there is a suffi cient number of members to provide internal stability and that their placement is adequate for this purpose. Next determine the forces in members CD, BC, and CE.

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ENGR 121 B Lecture Notes for 10/31/2016 Spencer Kociba ● Calculating Standard Deviation ○ u=mean, N=number of elements in a vector N ○ SD= 1 * ∑(x(i) − u) √ N−1 k=1 ■ Take each element, subtract the mean and square it. Repeat this for all the elements in the...

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