797476
Buoyancy
- Definition: The upward force exerted
by fluid to counterbalance
the weight of an object.
- Archimedes' Principle
- Founded by Archimedes of Syracuse
- Buoyancy = Weight of displaced fluid
- Founded by Archimedes of Syracuse
- 3 Classes of
Buoyancy
- Sink. In this state,
the object weight is
larger than the
upward force by the
fluid, causing it to
sink.
- Neutral Buoyancy.
In this state, an
object neither floats
nor sink in a fluid.
- Upthrust. In this state, the
body is buoyant that it floats.
- Sink. In this state,
the object weight is
larger than the
upward force by the
fluid, causing it to
sink.
- Useful Equation
- F = Ahpg
- Where F is buoyant force, A is
the surface area, h is the
immersed height of the body, g
is gravity and p is density of the
fluid.
- Where F is buoyant force, A is
the surface area, h is the
immersed height of the body, g
is gravity and p is density of the
fluid.
- F = Ahpg
- Below: Image detailing how buoyancy is determined
on an object by its mass, gravity and density of fluid.
- Industrial Application
- Transportation, such as ships and aircraft.
- Safety equipment, such as buoy, to
be used during an air crash, or
during the safety offshore training.
- Transportation, such as ships and aircraft.
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