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प्रश्न
What is the law of floatation?
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उत्तर
A body will float in a liquid if the weight of the body is equal to the weight of the liquid displaced by it.
Key Points:
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Buoyant Force:
- When a body is partially or fully submerged in a liquid, it experiences an upward force called the buoyant force.
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Condition for Floating:
- For a body to float, the buoyant force must equal the weight of the body.
- This happens when the density of the body is less than or equal to the density of the liquid.
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Stable Floating:
- In equilibrium, the body displaces an amount of liquid whose weight is exactly equal to its own weight.
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संबंधित प्रश्न
In what direction does the buoyant force on an object immersed in a liquid act?
What is upthrust ?
Why does a block of wood held under water rise to the surface when released ?
A body X sinks in water, but a body Y floats on water. The density of the body X is ......... than the density of body Y.
Define the term Density of a substance.
Explain the meaning of the statement
‘Relative density of aluminium is 2.7’.
How does the density of a body and that of a liquid determine whether the body will float or sink into that liquid?
Complete the following sentence :
Pressure at a depth h in a liquid of density p is ......................
Complete the following sentence :
A piece of wood is held under water. The upthrust on it will be ___________ the weight of the wood piece.
The magnitude of buoyant force acting on an object immersed in a liquid depends on ______ of the liquid.
