hello,

detail answer needed.

kindly solve it kn paper that will be easy for me to hnderstand.

i saw ine answer that is not similar to my question.

kindly solve by uourself.

thank you

(Stress-Free Surface) Suppose that the stress tensor at point P in a fluid is given by =1142403230 where only 11 is unknown. Determine 11 so that there is a plane with unit normal n on which the stress vector s=n vanishes. Determine n