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प्रश्न
What is the cause of buoyant force ?
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उत्तर
Buoyant force is exerted by the pressure difference in the surrounding medium caused by gravity.
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संबंधित प्रश्न
What is the other name of buoyant force ?
A body experiences the same buoyant force when it floats or sinks in water.
A boy get into a floating boat.
What happens to the buoyant force on the boat ?
Why does a piece of ice float on water?
State whether thrust is a scalar or vector?
Explain the following statement:
It is easier to cut with a sharp knife than with a blunt one.
Pressure at the free surface of a water lake is P1, while at a point at depth h below its free surface is P2. (a) How are P1 and P2 related? (b)Which is more P1 or P2?
A body experiences an upthrust F1 in river water and F2 in sea water when dipped up to the same level. Which is more, F1 or F2? Give reason.
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.
State whether true or false. If false, correct the statement.
The weight of fluid displaced determines the buoyant force on an object.
