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Problem 2.23 The triangular plate is fixed at its base, and its apex A is given a horizontal displacement of 5 mm. Suppose that a 680 mm.(Figure 1) Part A Determine the average normal strain along the a axis Express your answer using three significant figures Submit Request Answer Provide Feedback Figure 1 of 1
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Answer #1

5mm A 135 680mm

L=\sqrt{(680)^2+5^2-2*680*5*cos135}=683.54

\varepsilon _x=\frac{683.54-680}{680}=0.00521 mm/mm

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