3.5.19

Liquid Pressure

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Liquid Pressure

Liquids will exert pressure on an object from all directions. The deeper you go, the greater the pressure.

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Fluids

  • Liquids are examples of fluid.
  • As well as liquids, gases are also fluids because they have no direct fixed shape.
  • Particles in fluids are able to move around.
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Liquid pressure

  • Liquids will exert pressure on an object from all directions.
  • Liquids cannot be compressed.
  • There are more particles in liquids than in air. So there is a greater pressure in water than air.
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Liquid pressure with depth

  • Liquid pressure increases with depth.
  • This is because the number of water particles increases with depth.
    • This is why a dam is thicker at the bottom.
  • The pressure at the bottom of the Mariana Trench is 110,000,000 N/m2 (Pa).

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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