Sal explains the difference between liquids and gasses (both fluids). He then starts a calculation of the work done on a liquid in a U-shaped container. Created by Sal Khan.
Watch the next lesson: https://www.khanacademy.org/science/physics/fluids/density-and-pressure/v/fluids-part-2?utm_source=YT&utm_medium=Desc&utm_campaign=physics
Missed the previous lesson? https://www.khanacademy.org/science/physics/fluids/density-and-pressure/v/specific-gravity?utm_source=YT&utm_medium=Desc&utm_campaign=physics
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