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प्रश्न
Complete the following sentence :
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if _____________ .
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उत्तर
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if Both have equal volumes .
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संबंधित प्रश्न
An object of weight 200 N is floating in a liquid. What is the magnitude of buoyant force acting on it ?
Define the term Density of a substance.
The density of water is 1.0 g Cm-3. The density of iron is 7.8 × 10″3 g Cm-3. The density of mercury is 13.6 g Cm-3.
Ans the following:
Will a piece of iron float or sink in water?
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.
Select the correct option.
Thrust acting perpendicularly on the unit surface area is called
The base of the cylindrical vessel measures 300 cm2. Water is poured into it up to a depth of 6 cm. Calculate the pressure of water on the base in the vessel.
Most buoyant objects are those with relatively ______.
- high volume
- higher mass
- low density
- less viscosity
The point at which the force of buoyancy is supposed to act is known as ______.
In a fluid, buoyant force exists because the pressure at the ______ of an object is greater than the pressure at the top.
