Buoyancy: A Key Term in Fluid Mechanics
Definition and Explanation
Buoyancy refers to the upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. It results from the difference in fluid pressure acting on an object's upper and lower surfaces.
Key Concepts
Buoyancy is determined by the following factors:
- Fluid density: Denser fluids exert greater buoyancy.
- Object's volume: Larger objects experience greater buoyancy.
- Object's shape: Streamlined objects have reduced buoyancy compared to irregular ones.
- Acceleration due to gravity: The strength of buoyancy is dependent on the gravitational force acting on the object.
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