Forces In Fluids
Published on Nov 18, 2015
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PRESENTATION OUTLINE
PRESSURE IN FLUIDS
- Fluid pressure depends on depth.
- Greater the depth, the greater the pressure
- Fluids are liquids and gases. They take the shape of containers and they will flow.
- Fluids flow from high pressure to low pressure places.
- Pressure = force divided by area.
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DENSITY BUOYANCY
- The ratio of mass to volume in a given substance.
- Sinking: an object will sink if it is more dense than the fluid it is in or if it has greater weight than the buoyant force.
- Floating: an object will float if it is less dense than the fluid it is in or is equal to the buoyant force.
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ARCHIMEDES PRINCIPLE
- Displace: to take the place of.
- Principle: the buoyant force on an object in a fluid is an upward force equal to the weight of the fluid it displaces.
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