Consider the following statements: X. Two-dimensional stresses applied to a thin plater in its own plane represent the plane stress condition. Y. Normal and shear stresses may occur simultaneously on a plane. Z. Under plane stress condition, the strain in the direction perpendicular to the plane is zero.Which of the above statements are correct?

Consider the following statements: X. Two-dimensional stresses applie

1.	Consider the following statements: X. Two-dimensional stresses applied to a thin plater in its own plane represent the plane stress condition. Y. Normal and shear stresses may occur simultaneously on a plane. Z. Under plane stress condition, the strain in the direction perpendicular to the plane is zero.Which of the above statements are correct?
A.	2 only
B.	1 and 2
C.	2 and 3
D.	1 and 3
Answer» E.