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प्रश्न
What do you mean by buoyancy?
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उत्तर
- The upward force exerted by a liquid on an object immersed in it is known as buoyancy.
- When you try to immerse an object in water, then you can feel an upward force exerted on the object, which increases as you push the object deeper into the water.
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संबंधित प्रश्न
In what direction does the buoyant force on an object immersed in a liquid act?
Relative density of a substance is expressed in g cm-3.
The weight of a body floating in a liquid is ........
Define the term thrust. State its S.I. unit.
Write an expression for the pressure at a point inside a liquid. Explain the meaning of the symbols used.
Deduce an expression for the pressure at depth inside a liquid.
A tall vertical cylinder filled with water is kept on a horizontal table top. Two small holes A and B are made on the wall of the cylinder, A near the middle and B just Below the free surface of water. State and explain your observation.
Figure shows the same block of wood floating in three different liquids A, B and C of densities ρ1, ρ2 and ρ3 respectively. Which of the liquid has the highest density? Give a reason for your answer.
Select the correct option:
When a body is wholly or partially immersed in a liquid, it experiences a buoyant force which is equal to:
In a fluid, buoyant force exists because the pressure at the ______ of an object is greater than the pressure at the top.
