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प्रश्न
In which direction does the buoyant force on an object due to a liquid act ?
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उत्तर
The buoyant force on an object due to a liquid acts in upward direction (i.e., upthrust).
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संबंधित प्रश्न
Why does it happen?
A ship dips to a larger depth in fresh water as compared to marine water.
How does the pressure exerted by thrust depend on the area of surface on which it acts? Explain with a suitable example.
Complete the following sentence :
Pressure is .................... in all directions about a point in a liquid.
(i) The diameter of neck and bottom of a bottle are 2 cm and 10 cm, respectively. The bottle is completely filled with oil. If the cork in the neck is pressed in with a force of 1.2 kgf, what force is exerted on the bottom of the bottle?
(ii) Name the law/principle you have used to find the force in part (a).
Complete the following sentence :
A piece of wood is held under water. The upthrust on it will be ___________ the weight of the wood piece.
Figure shows the same block of wood floating in three different liquids A, B and C of densities ρ1, ρ2 and ρ3 respectively. Which of the liquid has the highest density? Give a reason for your answer.
State whether true or false. If false, correct the statement.
The weight of fluid displaced determines the buoyant force on an object.
The upward force that is caused due to the pressure difference in liquid (or fluid) is called ______.
In a fluid, buoyant force exists because the pressure at the ______ of an object is greater than the pressure at the top.
Salt water provides less buoyant force than freshwater.
