Advertisements
Advertisements
प्रश्न
A body held completely immersed inside a liquid experiences two forces:
(i) F1, the force due to gravity and
(ii) F2, the buoyant force.
Draw a diagram showing the direction of these forces acting on the body and state the condition when the body will float or sink.
Advertisements
उत्तर
If F1 < F2 or F1 = F2, the body will float.
If F1 > F2, the body will sink.
APPEARS IN
संबंधित प्रश्न
A body of volume 100 cm3 weighs 5 kgf in air. It is completely immersed in a liquid of density 1.8 × 103 kg m-3. Find:
- The upthrust due to liquid and
- The weight of the body in liquid.
A body weighs W gf in air and W1 gf when it is completely immersed in water. Find: (i) Volume of the body, (ii) Upthrust on the body and (iii) Relative density of the material of the body.
Calculate the mass of air in a room of dimensions 4.5 m × 3.5 m × 2.5 m if the density of air at N.T.P. is 1.3 kgm-3 .
A body floats in a liquid with a part of it submerged inside the liquid. Is the weight of floating body greater than, equal to or less than the upthrust?
Explain the following :
A balloon filled with hydrogen rises to a certain height and then stops rising further.
Explain the following :
A ship submerges more as it sails from sea water to river water.
A block of wood of mass 24 kg floats on water. The volume of wood is 0.032 m3. Find:
- the volume of block below the surface of water,
- the density of wood.
(Density of water = 1000 kg m−3)
A body of mass ‘m’ is floating in a liquid of density ‘p’
what is the apparent weight of body?
A body of mass ‘m’ is floating in a liquid of density ‘p’
what is the loss of weight of body?
Write the SI units of Weight of a body
