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प्रश्न
Name the force which makes heavy objects appear light when immersed in a liquid.
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उत्तर
Buoyant force is the force that makes heavy objects appear light when immersed in a liquid.
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संबंधित प्रश्न
In what direction does the buoyant force on an object immersed in a liquid act?
What is upthrust ?
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Define buoyant force. Name two factors on which buoyant force depends.
Explain the following statement:
It is easier to cut with a sharp knife than with a blunt one.
Describe a simple experiment to demonstrate that a liquid enclosed in a vessel exerts pressure in all directions.
What is the centre of buoyancy? State its position for a floating body with respect to the centre of gravity of the body.
Pressure in a water pipe on the ground floor of a building is 100,000 Pa. Calculate the pressure in the water pipe on the first floor at a height of 3 m. [Density of water = 1000 kgm−3 ; g = 10 ms−2]
Complete the analogy.
Downward force: Weight:: Upward force offered by liquid: _____
The magnitude of buoyant force acting on an object immersed in a liquid depends on ______ of the liquid.
