A steel rectangular block is subjected to a uniform stress of o = 150 MPa acting on all faces. The dimensions of the block are as follows: Lx=100 mm,L_y=30 mm,L_z=40 mm. Determine the change in length along the x-axis. Use E = 200 GPa and v = 0.3. Note that e_0=- o/E(1+2v). (A) -0.03 mm B) -0.009 mm C) -0.015 mm D -0.012 mm

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Planar Stresses