question_answer

Consider the following statements:        

State of stress in two dimensions at a point in a component can be completely specified by indicating the normal and shear stresses on

1. A plane containing the point

2. Any two planes passing through the point

3. Two mutually perpendicular planes passing through the point

Of these statements                       

A) 1 and 3 are correct         

B) 2 alone is correct

C) 1 alone is correct

D) 3 alone is correct