Hydrostatic Force Calculator

Author: Neo Huang Review By: Nancy Deng
LAST UPDATED: 2024-05-19 22:14:30 TOTAL USAGE: 261 TAG:

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Hydrostatic force is crucial in understanding fluid mechanics, especially in applications involving submerged objects such as submarines or underwater pipelines. By measuring the force due to water pressure at different depths, engineers and scientists can design structures and devices that can withstand these forces.

Historical Background

The study of hydrostatic force has ancient roots, with principles first documented by Archimedes in his work on buoyancy. The development of modern hydrodynamics and fluid mechanics has provided a more detailed understanding of hydrostatic forces, leading to sophisticated engineering applications.

Hydrostatic Force Formula

The hydrostatic force \( Hf \) on a submerged surface is calculated using the following formula:

\[ Hf = (\rho \cdot g \cdot h - p_0) \cdot A \]


  • \( \rho \) (kg/m³) is the density of the fluid.
  • \( g \) (m/s²) is the acceleration due to gravity.
  • \( h \) (m) is the depth.
  • \( p_0 \) (pascals) is the atmospheric pressure.
  • \( A \) (m²) is the total surface area.

Example Calculation

Given a fluid with a density