Forces And Fluids
Published on Feb 09, 2016
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PRESENTATION OUTLINE
PRESSURE IN FLUIDS
- Fluid pressure depends on depth
- Greater the depth, the greater the pressure
- Fluids include liquids and gases
- They take the shape of their containers and will flow
- Fluids flow from high pressure to low pressure ares
- Pressure = force/area
Photo by Vermin Inc
DENSITY AND BUOYANCY
- Density is the ratio of mass to volume in a given substance
- D=M/V
- Sinking: an object will sink if it is more dense than the fluid that it is in or if it has greater weight than the buoyant force
- Floating: an object is will float if it is less dense than the fluid that it's in or equal to the buoyant force
Photo by mescon
ARCHIMEDES PRINCIPLE
- Displace is to take place of
- Principle: buoyant force on an object in a fluid is an upward force equal to the weight of fluid it displaces
Photo by antonychammond
