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प्रश्न
The buoyant force experienced by a body when floating in saltwater is ....... to or same that of when floating in pure water.
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उत्तर
The buoyant force experienced by a body when floating in salt water is equal to or same that of when floating in pure water.
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संबंधित प्रश्न
A body sinks in a liquid A but floats in a liquid B. The density of liquid A is ....... than the density of liquid B.
The weight of a body floating in a liquid is ........
What is meant by pressure? State its S.I. unit.
What do you understand by the term upthrust of a fluid? Describe an experiment to show its existence.
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)
Two spheres A and B, each of volume 100 cm3 is placed on water (density = 1.0 g cm−3). The sphere A is made of wood of density 0.3 g cm−3 and sphere B is made of iron of density 8.9 g cm−3.
- Find:
- The weight of each sphere, and
- The upthrust on each sphere.
- Which sphere will float? Give reason.
Complete the following sentence.
Mass = .................... × density
Select the correct option:
When a body is wholly or partially immersed in a liquid, it experiences a buoyant force which is equal to:
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : _____.
