Pressure at the surface of a fluid

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Description and Tags

Physics

Newton's Laws

GCSE Physics

CCEA

Force

9th

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11 Terms

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Fluid

A liquid or a gas

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Pressure

The force per unit area

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the equation linking pressure, force and area

p = f/a

<p>p = f/a</p>
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p

The symbol for pressure

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F

The symbol for force

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A

The symbol for area

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Unit for pressure

Pascals (Pa)

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Unit for area

Square metres (m²)

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A unit used for pressure that is equivalent to pascals (Pa)

Newtons per metre squared (N/m²)

<p>Newtons per metre squared (N/m²)</p>
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How to increase pressure

Increase the force or decrease the area

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How to decrease pressure

Decrease the force or increase the area