For the Pratt bridge truss and loading shown, determine the average normal stress, normal strain and...

 

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For the Pratt bridge truss and loading shown, determine the average normal stress, normal strain and elongation in member BE, knowing that the cross- sectional area of that member is 5.87 in2 and E=29,000 ksi. B C D 80 kips G E F |--9ft- -9 ft-9 ft-9 ft-9 ft- 80 kips G 80 kips 12 ft H For the Pratt bridge truss and loading shown, determine the average normal stress, normal strain and elongation in member BE, knowing that the cross- sectional area of that member is 5.87 in2 and E=29,000 ksi. B C D 80 kips G E F |--9ft- -9 ft-9 ft-9 ft-9 ft- 80 kips G 80 kips 12 ft H