Determine the Norman Strain in each bar.?

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Thugonomics

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Two bars are used to support a load P. When unloaded, AB is 5 in. long, AC is 8 in. long, and the ring at A has coordinates (0,0). If a load is applied to the ring at A, so that it moves it to the coordinate position (0.25 in., -0.75 in.), determine the normal strain in each bar. (The angle is 60 degrees)
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