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प्रश्न
For a floating body, how is its weight related to the buoyant force?
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उत्तर
When a body floats in a liquid. The weight of the liquid displaced by its immersed part is equal to the total weight of the body.
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संबंधित प्रश्न
What do you mean by buoyancy?
State whether the following statement is true or false :
The buoyant force depends on the nature of object immersed in the liquid
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
Define buoyant force. Name two factors on which buoyant force depends.
What is the unit of relative density?
Distinguish between density and relative density.
What do you understand by the term upthrust of a fluid? Describe an experiment to show its existence.
Why is a force needed to keep a block of wood inside water?
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.
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.
