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Density-Force Equation

  1. Apr 25, 2014 #1
    When an object of lower density is surrounded by a fluid of higher density, the object rises to the top of the fluid. Clearly, a force is acting on the object, as it is accelerating upwards. I'm sure some physicist has given a name to this force, and there is also probably an equation for it, but I'm not sure what it is as my teacher did not teach it yet and I can get a more concise answer here than Google. So, what is the name and equation for this Density-Force?
    Thanks in advance.
  2. jcsd
  3. Apr 25, 2014 #2
    The name of the force is buoyancy force, and the name of the principle used to find it is the Archimedes principle.
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