A cylindrical bar of steel 10 mm (0.4 in.) in diameter is to be deformed elastically by application of a force along the bar axis. Using the data in Table 6.1, determine the force that will produce an elastic reduction of 3 ( 10-3 mm (1.2 ( 10-4 in.) in thediameter.

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Modulus of Shear Modulus Elasticity 10 psi Poisson's GPa 25 37 46 17 10 psi 3.6 5.4 6.7 2.5 11.0 Metal Alloy Aluminum GPa Ratio 69 10 14 16 6.5 0.33 97 110 45 207 0.34 Brass Copper 0.34 0.29 Magnesium Nickel Steel 76 83 45 0.31 0.30 30 207 107 12.0 6.5 23.2 Titanium 15.5 59 0.34 Tungsten 0.28 407 160