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प्रश्न
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.
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उत्तर
A body X sinks in water, but a body Y floats on water. The density of the body X is more than the density of body Y.
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संबंधित प्रश्न
What do you mean by buoyancy?
What is the other name of buoyant force ?
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
What physical quantity is measured in bar?
How does the pressure exerted by thrust depend on the area of surface on which it acts? Explain with a suitable example.
In what direction and at what point does the buoyant force on a body due to a liquid act?
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.
A body of mass 3.5 kg displaces 1000 cm3 of water when fully immersed inside it. Calculate:
- the volume of body,
- the upthrust on body and
- the apparent weight of body in water.
Select the correct option.
Thrust acting perpendicularly on the unit surface area is called
Assertion (A): The buoyant force on a submerged rigid object can be considered to be acting at the center of mass of the object.
Reason (R): In rigid body, force distributed uniformly through its volume can be considered to be acting at the centre of mass of the body.
