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प्रश्न
What causes buoyant force (or upthrust) on a boat ?
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उत्तर
Water causes buoyant force or upthrust on a boat.
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संबंधित प्रश्न
Name the S.I. unit of density. How is it related to g Cm-3?
Explain the meaning of the statement
‘Relative density of aluminium is 2.7’.
The density of water is 1.0 g Cm-3. The density of iron is 7.8 × 10″3 g Cm-3. The density of mercury is 13.6 g Cm-3.
Answer the following:
Will a piece of iron float or sink in mercury?
A vessel contains water up to a height of 1.5 m. Taking the density of water 103 kg m-3, acceleration due to gravity 9.8 m s-2 and area of base of vessel 100 cm2, calculate: (a) the pressure and (b) the thrust at the base of vessel.
What is meant by the term buoyancy?
Will a body weigh more in air or vacuum when weighed with a spring balance? Give a reason for your answer.
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.
Is thrust a scalar or vector quantity?
Complete the analogy.
Downward force: Weight:: Upward force offered by liquid: _____
The magnitude of buoyant force acting on an object immersed in a liquid depends on ______ of the liquid.
