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(Extension of an incompressible bar) Consider a bar under uniaxial tension, as shown in Fig

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(Extension of an incompressible bar) Consider a bar under uniaxial tension, as shown in Fig. 3.6. The initial length and cross-sectional area are L₀ and A₀=h₀*h₀, respectively. A force is applied at the tip such that the deformed length and cross-sectional area of the bar become L and A=h*h, respectively. When the material is incompressible, calculate the deformed cross-sectional dimension h and area A in terms of L,L _0, and h₀.