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An Aluminum rod 25mm in Diameter & 4m long is subjected to an axial tensile load of 65kN. compute stress?

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i also need to find the stain & total elongation.

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  1. stress = force/area

    = 65000N/(pi*(0.025/2)^2    Newtons/meter^2

    stress/strain = modulus of elasticity = Y

    longitudinal strain = elongated length/original length = stress/Y

    total elongation  = elongated length - original length

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