Physics, 28.12.2019 04:31 sophiat17

A1.25 in. by 3 in. rectangular steel bar is used as a diagonal tension member in a bridge truss. the diagonal member is 20 ft long, and its modulus of elasticity is 30,000,000 psi. if the strain in the diagonal member is measured as 0.001200 in./in., determine:

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A1.25 in. by 3 in. rectangular steel bar is used as a diagonal tension member in a bridge truss. the...