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4. Fluids

Fluids are substances that can flow and exert pressure, which can be quantified through the concept of pressure defined as force per unit area. The chapter discusses various aspects of pressure in fluids, including the factors affecting liquid pressure and applications of fluid mechanics principles like Pascal's Law. Understanding the behavior of fluids helps explain numerous practical applications ranging from everyday instruments to large structures.

Sections

  • 4

    Fluids (Pressure In Fluids And Atmospheric Pressure)

    This section explores the properties of fluids, focusing on pressure, its relationship to force and area, and the effects on pressure in liquids and atmospheric conditions.

    Learning Practice

  • 4.1

    Introduction To Fluids

    This section introduces fluids, their properties, and their ability to exert pressure.

    Learning Practice

  • 4.2

    Pressure

    This section explores the concept of pressure, including its definition, units, and the factors that affect it in fluids.

    Learning Practice

  • 4.3

    Pressure In Fluids

    This section discusses how fluids exert pressure in all directions and the relationship between depth, density, and gravitational force in determining liquid pressure.

    Learning Practice

  • 4.4

    Factors Affecting Liquid Pressure

    Liquid pressure is influenced by depth, density, and the gravitational field.

    Learning Practice

  • 4.5

    Thrust And Pressure

    This section introduces thrust as a force applied perpendicularly to a surface and explains how pressure is defined in terms of thrust and area.

    Learning Practice

  • 4.6

    Atmospheric Pressure

    Atmospheric pressure is the pressure exerted by the weight of the air above a surface and is commonly measured using barometers.

    Learning Practice

  • 4.7

    Barometer

    A barometer is a device that measures atmospheric pressure, often using mercury in a glass tube.

    Learning Practice

  • 4.8

    Applications Of Fluid Pressure

    This section explores practical applications of fluid pressure in various devices and structures.

    Learning Practice

  • 4.9

    Pascal’s Law

    Pascal’s Law states that pressure applied to an enclosed fluid is transmitted equally in all directions, enabling numerous practical applications.

    Learning Practice

References

p9-4.pdf

Class Notes

Memorization

What we have learnt

  • Fluids exert pressure in al...
  • Pressure is defined as forc...
  • Pascal's Law states that pr...

Final Test

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