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Buoyant force and volume

  1. Dec 3, 2015 #1
    • Moved from a technical forum, so homework template missing.
    A piece of wood with a density of 730 kg/m3 is tied with a string to the bottom of a water-filled flask. The wood is completely immersed, and the tension in the string is 1.09 N. Find the volume of the wood.
     
  2. jcsd
  3. Dec 3, 2015 #2
    My opinion:
    Observe that the forces acting on the wood contain the gravity, the buoyancy and the tension. Try to find out their relation.
     
  4. Dec 4, 2015 #3
    Callie,

    Have you drawn a free body diagram on the piece of wood showing the forces acting on it? Can you name these forces? Are you able to write a force balance equation on the piece of wood (based on the free body diagram)?

    Chet
     
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