Under the assumption of plane stress, which one of the following is correct?
A. Normal stress is zero in the z-direction
B. Normal stress is tensile in the z-direction
C. Normal stress is compressive in the z-direction
D. Normal stress varies in the z-direction
Answer:A
Under the assumption of plane stress, which one of the following is correct?
A. Normal stress is zero in the z-direction B. Normal stress is tensile in the z-direction C. Normal stress is compressive in the z-direction D. Normal stress varies in the z-direction