*2-12. The material distorts into the dashed position shown. Determine the average normal strains ,. e, and the shear strain Y, at A, and the average normal strain along line BE. 50 mm 200 mm 15 mm mm 50 mm A-150 mm-F

*2-12. The material distorts into the dashed position shown. Determine the average normal strains ,. e, and the shear strain Y, at A, and the average normal strain along line BE. 50 mm 200 mm 15 mm mm 50 mm A-150 mm-F

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.7.6P

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Question

*2-12.
The material distorts into the dashed position shown.
Determine the average normal strains €, E, and the shear
strain Yat A, and the average normal strain along line BE.
50 mm
200 mm
B
15 mm
150 mm
30 mm
E
F
50 mm
·x

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Step 1: Determining the given data

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Step 2: Finding normal strain in x direction

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Step 3: Finding normal strain in y direction

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Step 4: Finding shear strain at A

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Step 5: Finding original length of BE

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Step 6: Finding deformed length of BE

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Step 7: Finding strain of BE

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