# fluids.txt

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1. What is mass/volume; mass per unit of volume?
density
2. What is specific gravity?
ratio of density of the substance to the density of the water at 4c
3. If water has a specific gravity of 1 and you put something with a >1 and <1 density, which will float and which will sink?
greater density will sink, lower density will float
4. What is pressure?
fluid exerts equal pressure in all directions

pressure is directly proportional to density or specific gravity of a substance

also directly proportional to the depth of the thing in the substance
5. What is Pascals principle?
pressure applied to a confined fluid increased pressure throughout the liquid by the same amount
6. What is buoyancy?
the force a fluid exerts up

*arm floating on the water in a pool
7. What is the principle that states buoyancy force on a body emersed in a fluid is wqual to the weight of a fluid displaced by that object?
Archimedi's principle

*getting in a out of a tub of water
8. What is the principle that states where the velocity of fluid is high, pressure is low (and visa versa)?
Bernoulli's principle

## Card Set Information

 Author: jpowell22 ID: 117424 Filename: fluids.txt Updated: 2011-11-17 04:24:16 Tags: maureen Folders: Description: 11-15-11 Show Answers:

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