Which type of stress is caused by two forces pulling away from each other?

The type of stress caused by two forces pulling away from each other is known as tension. Tension stress occurs when an object is subjected to forces that attempt to stretch or elongate it. This kind of stress is critical in various structural components, especially in areas where components must resist being stretched, such as cables or ropes in tension applications.

In the context of aviation and maintenance, understanding tension is vital when considering the structural integrity of aircraft components which can be subject to various loads during flight. Recognizing tension can aid in proper maintenance and the selection of materials that can withstand such forces without failure.

Other forms of stress can include shear, which involves forces being applied parallel to a surface, compression, which deals with forces pushing together, and torsion, which involves twisting forces. Each type of stress has its own characteristics and effects on materials, but tension specifically pertains to the forces that attempt to separate an object, highlighting its distinction as the correct answer in this context.