The sign of the change in the relevant strain parameter is positive for an increased applied force except when the force is
A) shear.
B) elongation.
C) compression.
D) none of the above.

Question

Quizplus · Accepted Answer

In compression, the strain parameter is negative because the material is being shortened or compressed, unlike elongation or shear where the strain is positive due to stretching or distortion.

The Sign of the Change in the Relevant Strain Parameter