Pascal's law of fluid pressures

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Definition
  1. Noun:
    • Pascal's Law of Fluid Pressures: A fundamental principle in fluid mechanics stating that when pressure is applied to a confined, incompressible fluid, that pressure change is transmitted undiminished to every portion of the fluid and to the walls of its container. The transmitted force acts at a right angle (perpendicular) to any surface it contacts.
Usage Examples
  • Noun:
    • The operation of a hydraulic lift is a direct demonstration of Pascal's law of fluid pressures.
    • Engineers rely on Pascal's law of fluid pressures when designing braking systems for vehicles.
    • A simple experiment with syringes and water can illustrate Pascal's law of fluid pressures.
Advanced Usage
  • "An application of Pascal's law": A common phrase used to describe devices or systems whose function is based on this principle.
    • The hydraulic press is a classic application of Pascal's law.
Variants and Related Words
  • Pascal's Law (n): The common, shortened name for Pascal's law of fluid pressures.
  • Pascal's Principle (n): Another synonymous term for the same physical law.
  • Hydraulics (n): The branch of science and technology concerned with the conveyance of liquid through pipes and channels, especially as a source of mechanical force, fundamentally based on Pascal's law.
Synonyms
  • Pascal's Principle: An exact synonym.
  • The Principle of Transmission of Fluid-Pressure: A descriptive synonym.
Related Phrases
  • Confined fluid: A key condition for the law to apply; the fluid must be enclosed.
  • Incompressible fluid: An ideal condition assumed by the law, meaning the fluid's volume does not change under pressure.
  • Pressure transmission: The core concept described by the law.
Related Concepts
  • Hydraulic Force Multiplication: A critical consequence of Pascal's law. While pressure is transmitted equally, the force exerted can be multiplied if the output surface area is larger than the input surface area (Force = Pressure × Area).
    • Using Pascal's law, a small force on a small piston can create a large force on a large piston, enabling heavy lifting.
Noun
  1. pressure applied anywhere to a body of fluid causes a force to be transmitted equally in all directions; the force acts at right angles to any surface in contact with the fluid
    • the hydraulic press is an application of Pascal's law

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