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2 ) An Al bar having a length of 1 2 5 mm and a square cross section of 1 6 . 5 mm at

2) An Al bar having a length of 125 mm and a square cross section of 16.5 mm at one side is subjected to a compression load of 66700N. Calculate the elastic modulus and of the Al bar if the bar changes by 0,43mm under the pressing force. (All deformations will be considered elastic).Poison Raito=0.3

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