A Steel Bar 100 Mm 40 In Long And Having

A steel bar 100 mm (4.0 in.) long and having a square cross section 20 mm (0.8 in.) on an edge is pulled in tension with a load of 89,000 N (20,000 lbf), and experiences an elongation of 0.10 mm (4.0 ( 10-3 in.). Assuming that the deformation is entirely elastic, calculate the elastic modulus of the steel.

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