Advertisements
Advertisements
प्रश्न
In what direction and at what point does the buoyant force on a body due to a liquid act?
Advertisements
उत्तर
Buoyant force on a body due to a liquid acts upwards at the centre of buoyancy.
APPEARS IN
संबंधित प्रश्न
Why does a block of wood held under water rise to the surface when released ?
When does an object float or sink when placed on the surface of a liquid ?
The density of brass is 8.4 g cm-3. What do you mean by this statement?
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
body C having density 1100 kg m-3
Differentiate between thrust and pressure.
How does the pressure exerted by a solid and fluid differ?
The pressure of water on the ground floor is 40,000 Pa and on the first floor is 10,000 Pa. Find the height of the first floor. (Take : density of water = 1000 kg m-3, g = 10 m s-2)
Will a body weigh more in air or vacuum when weighed with a spring balance? Give a reason for your answer.
Complete the following sentence :
A piece of wood is held under water. The upthrust on it will be ___________ the weight of the wood piece.
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.
