Question: Problem 1 - 3 9 * 1 - 4 0 . Determine the average normal stress in each of the 2 0 - mm -

Problem 1-39
*1-40. Determine the average normal stress in each of the 20-mm-diameter bars of the truss. Set
P=40kN.
Problem 1 - 3 9 * 1 - 4 0 . Determine the average

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