Question

there are four basic forces that place ____ upon any structure to weaken its structural integrity. a load b gravity c stress d none of these

Explanation:

Forces act on structures and cause stress, which can weaken the structural integrity. Load is the general term for the forces acting on a structure, gravity is a type of force, but stress is the internal resistance per - unit area that develops within a material due to the applied loads. When forces act on a structure, they induce stress that can potentially weaken it.

Answer:

C. stress