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Buoyancy

QuestionAnswer
What is Archimedes principle? An object floats if it is displacing an equal mass or weight of fluid as its own mass or weight.
When does the mass of the object equal the mass of fluid displaced? When the object is floating.
When does the volume of the object equal the volume of fluid displaced? When the object is fully submerged in the fluid.
When are the force of gravity and the force of buoyancy equal? When the object is floating.
When is the density of the object equal to the density of the displaced water? When the object is floating BELOW THE WATER LEVEL.
The force of gravity depends on... the weight of the OBJECT.
The force of buoyancy depends on ... the weight of the DISPLACED FLUID.
One word for density is... compactness.
The density of water is... 1g of matter in every 1mL of volume.
Mass is... the amount of matter in an object.
Volume is... the amount of space an object occupies.
Which state/s of matter are fluid? Liquids, gases, and plasmas. ...not solids.
If an object is resting on the bottom and is submerged then the amount of buoyancy is ____________ the amount of gravity. less than
If an object is floating, partially submerged, then buoyancy is _____________ gravity. equal to
If an object is floating and fully submerged, then buoyancy is _______________ gravity. equal to
What are the four situations for which you must be able to fully explain the comparison between the object's and the displaced fluid's; Density, Mass, Volume, and Force? rising submerged, sinking submerged, floating submerged, and floating partially submerged.
Does density depend on the amount of the substance? no
Does density depend on the temperature of the substance? yes
More temperature usually means _________________ density. less
Created by: jclarke
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