The pressure by a fluid at rest, due to its weight, is called what?

The correct answer is hydrostatic, which refers to the pressure exerted by a fluid at rest due to the force of gravity acting on it. In a stationary fluid, the pressure increases with depth because the weight of the fluid above exerts a downward force on the fluid beneath. This concept is essential in fluid mechanics and helps explain how fluids behave under various conditions.

Hydrostatic pressure is mathematically defined as the product of the fluid density, gravitational acceleration, and the height of the fluid column above the point in question. This principle is crucial in applications involving tanks, dams, and any system where fluids are contained.

Understanding hydrostatic pressure is vital in industries such as construction, where it can affect structural integrity, as well as in hydraulic systems where it plays a key role in force transmission. Recognizing this concept allows professionals to better design systems that manage fluid dynamics effectively.