6.) A steel bar 100 mm long and having a square cross section 20 mm on an edge is pulled in tension with a load of 89,000 N, and experiences an elongation of 0.10 mm. Assuming that the deformation is entirely elastic, calculate the elastic modulus of the steel. a) 132 GPa b) 223 MPa c) 322 GPa d) 322 MPa e) 223 GPa

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