Forces and Fluids
Published on Nov 18, 2015
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PRESENTATION OUTLINE
Pressure in Fluids
- Fluid pressure depends on depth
- The greater the depth the greater the pressure
- Fluids are liquids and gasses, they take the shape of their containers and will flow
- Fluids flow from high pressure to low pressure areas
- P=F/A or pressure equals force over area
Photo by Pulpolux !!!
Density and Buoyancy
- Density it the ratio of mass to volume in a given substance
- Substances sink if the are more dense than the liquid they are in OR if it has a greater weight than the bouyant force
- floating: an object will float if it is less dense than the fluid it's in OR is equal to the bouyant force
Photo by coda
