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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
What happens to the buoyant force as more and more volume of a solid object is immersed in a liquid ? When does the buoyant force become maximum ?
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.
Describe an experiment to determine the density of the material of a coin.
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
body D having density 0.85 g m-3
A body experiences an upthrust F1 in river water and F2 in sea water when dipped up to the same level. Which is more, F1 or F2? Give reason.
You are provided with a hollow iron ball A of volume 15 cm3 and mass 12 g and a solid iron ball B of mass 12 g. Both are placed on the surface of water contained in a large tub.
- Find upthrust on each ball.
- Which ball will sink? Give a reason for your answer (Density of iron = 8.0 g cm-3)
Is thrust a scalar or vector quantity?
If the buoyant force is less, the object will float.
What do you understand by the term “Buoyancy”.
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : ______
