When a body is subjected to a direct tensile stress ( x) in one plane accompanied by a simple shear stress ( xy ), the minimum normal stress is

When a body is subjected to a direct tensile stress ( x) in one plane

1.	When a body is subjected to a direct tensile stress ( x) in one plane accompanied by a simple shear stress ( xy ), the minimum normal stress is
A.	<img src="/_files/images/mechanical-engineering/strength-of-materials/90-86-1.png">
B.	<img src="/_files/images/mechanical-engineering/strength-of-materials/90-86-2.png">
C.	<img src="/_files/images/mechanical-engineering/strength-of-materials/90-86-3.png">
D.	<img src="/_files/images/mechanical-engineering/strength-of-materials/90-86-4.png">
Answer» C. <img src="/_files/images/mechanical-engineering/strength-of-materials/90-86-3.png">