A cross-sectional area of 322.58 mm of an aluminum bar which carries the axial loads applied at the positions shown in figure below. Find the total change in length of the bar if Modulus of elastic (E) = 68947.45 N/mm. Assume the bar is suitably fixed to prevent lateral buckling. 31.13 KN 22.24 KN 26.68 KN 17.79 KN 914.4 mm 1524 mm 1219.2 mm

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