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प्रश्न
What is meant by up thrust?
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उत्तर
The upward force which any liquid exerts upon a body placed in it is called the upthrust.
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संबंधित प्रश्न
What do you mean by buoyancy?
In what direction does the buoyant force on an object immersed in a liquid act?
Name the scientist who gave he magnitude of buoyant force acting on a solid object immersed in a liquid.
Complete the following sentence :
Two balls, one of iron and the other of aluminium experience the same upthrust when dipped completely in water if _____________ .
A body will experience minimum upthrust when it is completely immersed in :
You are provided with a hollow iron ball A of volume 15 cm3 and mass 12 g and a solid iron ball B of mass 12 g. Both are placed on the surface of water contained in a large tub.
- Find upthrust on each ball.
- Which ball will sink? Give a reason for your answer (Density of iron = 8.0 g cm-3)
A block of wood is floating on water with its dimensions 50 cm x 50 cm x 50 cm inside water. Calculate the buoyant force acting on the block. Take g = 9.8 N kg-1.
Select the correct option.
Unit of thrust in the SI system is
A body will sink if the weight of the body is greater than the buoyant force.
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : _____.
