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Physics
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Physics
Archimedes Principle
Physics
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Archimedes Principle
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Archimedes Principle
When a body is wholly or partially immersed in a fluid it experiences an upthrust equal to the weight of the fluid displaced
Upthrust/Buoyant force
An upward force exerted by a fluid on an object immersed in it
Weight of displaced water...
....is always the same as the buoyant force
Buoyant force formula
The principle of floatation
When an object floats in a liquid the buoyant force/upthrust that acts on the object is equal to the weight of the object
If the weight of the object is greater than upthrust....
.....the object will sink
The forces acting on a sunk object
W (weight of object), F (upthrust) & R (normal reaction)
The forces acting on the object that is held by a string in water
W (weight of object), F (upthrust), T (tension of string)
Plimsoll Line
The Plimsoll line is an imaginary line marking the level at which a ship or boat floats in the water
Application of archimedes principle in submarine
To submerge, water is pumped into the ballast tank to increase the weight of the submarine
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Archimedes Principle
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