This physics video tutorial provides a basic introduction into the mercury barometer. It explains how a basic barometer works. It explains how to calculate the atmospheric pressure of a two fluid barometer in addition to calculate the height of a mercury column given the air pressure. In addition, this video contains a practice problem that illustrates how to calculate the density of an unknown fluid using a barometer.

Volume Unit Conversion:
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Specific Gravity & Density of Mixtures:
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Will It Sink or Float?
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Intro to Pressure & Fluids:
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Atmospheric Pressure Problems:
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The Gallon Crusher:
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Absolute Pressure Vs Gauge Pressure:
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Water Pressure Vs Gauge Pressure:
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Pascal's Principle - Hydraulic Lift System:
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Mercury Barometer Problems:
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Open Tube Manometer:
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U Tube Manometers:
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Archimedes Principle & Buoyant Force:
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Full-Length Videos and Worksheets:
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Physics PDF Worksheets:
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