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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
What is the other name of buoyant force ?
What is a density bottle? How is it used to find the density of a liquid?
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body C having density 1100 kg m-3
For a given object, the buoyant force in liquids of different ______ is ______.
What physical quantity is measured in bar?
How does the pressure exerted by a solid and fluid differ?
Describe a simple experiment to demonstrate that a liquid enclosed in a vessel exerts pressure in all directions.
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Prove that the loss in weight of a body when immersed wholly or partially in a liquid is equal to the buoyant force (or upthrust) and this loss is because of the difference in pressure exerted by liquid on the upper and lower surfaces of the submerged part of body.
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.
