The normal stress is same in all directions at a point in a fluid ___________________?

A. only when the fluid is frictionless

B. when there is no motion of one fluid layer relative to an adjacent layer

C. irrespective of the motion of one fluid layer relative to an adjacent layer

D. in case of an ideal fluid

E. only when the fluid is incompressible and has zero viscosity

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.