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प्रश्न
Define buoyant force. Name two factors on which buoyant force depends.
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उत्तर
The upward force exerted by a liquid on a body when immersed in a liquid is known as buoyant force. The buoyant force depends on the following factors:
(i) Size or volume of the body immersed in a liquid.
(ii) The density of the liquid in which the body is immersed.
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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 ?
How does the density of a body and that of a liquid determine whether the body will float or sink into that liquid?
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
(a) body A having density of 500 kg m-3
The pressure P1 at a certain depth in river water and P2 at the same depth in sea water are related as :
The mass of a block made of certain material is 13.5 kg and its volume is 15 × 10-3 m3.
(a) Calculate upthrust on the block if it is held fully immersed in water.
(b) Will the block float or sink in water when released? Give a reason for your answer.
(c) What will be the upthrust on block while floating?
Take density of water = 1000 kg m-3.
Select the correct option:
The phenomenon due to which a solid experiences upward force when immersed in water is called:
Write the SI units of Buoyant force
What do you mean by buoyancy?
A body will sink if the weight of the body is greater than the buoyant force.
Higher Order Thinking Skill.
How does a fish manage to rise up and move down in water?
