What ability allows a person to exert force without becoming fatigued over time?

The ability that enables a person to exert force without becoming fatigued over time is stamina. Stamina refers to the endurance capacity of an individual to sustain prolonged physical or mental effort. It allows a person to maintain performance in activities over extended periods, whether it's in athletic contexts or other demanding tasks.

While static strength refers to the maximum amount of force that can be exerted in a stationary position, and dynamic strength relates to the ability to apply force repeatedly or in quick succession, neither specifically addresses the aspect of performing consistently over time without fatigue. Explosive strength, on the other hand, is about generating maximum effort in short bursts, which again does not incorporate the element of sustained effort. Thus, stamina is the most appropriate choice when considering the ability to exert force without fatigue over time, as it directly relates to endurance and sustained performance.