Advertisements
Advertisements
प्रश्न
In which direction does the buoyant force on an object due to a liquid act ?
Advertisements
उत्तर
The buoyant force on an object due to a liquid acts in upward direction (i.e., upthrust).
APPEARS IN
संबंधित प्रश्न
What do you mean by buoyancy?
The S.I. unit of density is ..........
The relative density of alcohol is 0.8. Its density is
Define buoyant force. Name two factors on which buoyant force depends.
The density of brass is 8.4 g cm-3. What do you mean by this statement?
Why is the tip of an allpin made sharp?
A vessel contains water up to a height of 1.5 m. Taking the density of water 103 kg m-3, acceleration due to gravity 9.8 m s-2 and area of base of vessel 100 cm2, calculate: (a) the pressure and (b) the thrust at the base of vessel.
Complete the following sentence :
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if _____________ .
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.
What do you understand by the term “Buoyancy”.
