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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 is meant by the term ‘buoyancy’ ?
If a fresh egg is put into a beaker filled with water, it sinks. On dissolving a lot of salt in the water, the egg begins to rise and then floats. Why ?
What physical quantity is measured in bar?
How does the pressure exerted by thrust depend on the area of surface on which it acts? Explain with a suitable example.
How does the liquid pressure on a diver change if :
The diver moves horizontally?
The pressure inside a liquid of density p at a depth h is :
What is meant by the term buoyancy?
A body weighs 450 gf in air and 310 gf when completely immersed in water. Find
(i) The volume of the body,
(ii) The loss in weight of the body, and
(iii) The upthrust on the body.
State the assumption made in part (i).
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.
