Consider a linear elastic rectangular thin sheet of metal, subjected to uniform uni-axial tensile stress of 100 MPa along the length direction. Assume plane stress condition in the plane normal to the thickness. The Young s modulus E = 200 MPa and Poisson s ratio = 0.3 are given. The principal strains in the plane of the sheet are

Consider a linear elastic rectangular thin sheet of metal, subjected t

1.	Consider a linear elastic rectangular thin sheet of metal, subjected to uniform uni-axial tensile stress of 100 MPa along the length direction. Assume plane stress condition in the plane normal to the thickness. The Young s modulus E = 200 MPa and Poisson s ratio = 0.3 are given. The principal strains in the plane of the sheet are
A.	(0.5, 0.15)
B.	(0.5, 0.0)
C.	(0.35, 0.15)
D.	(0.5, 0.5)
Answer» B. (0.5, 0.0)

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