I believe the correct term to fill in the blank would be stretch. Any material that would experience some tensional stress would cause a change in the length of the material or it stretches. Hope this answers the question. Have a nice day.
Stress can be defined as the force applied to the object per unit area. The tensile stress is said to occur when an equal and opposite force is applied to the object. Tensile stress may cause a change in the length of the material in the direction of the applied force.
This force may cause the change in the shape of the object but the volume remains the same.
Example: Tensile stress is seen in the tug of war.
