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प्रश्न
What do you mean by buoyancy?
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उत्तर
All liquid exerts a upward force on the body placed in it. This Phenomenon is called buoyancy.
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संबंधित प्रश्न
Name the S.I. unit of density. How is it related to g Cm-3?
The diagram given below show a body floating in three different liquids. A, B and C at different levels.
(a) In which liquid does the body experience the greatest buoyant force?
(b) Which liquid has the least density?
(c) Which liquid has the highest density?
The S.I. unit of pressure is :
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.
The area of base of a cylindrical vessel is 300 cm2. Water (density= 1000 kg m-3) is poured into it up to a depth of 6 cm. Calculate : (a) the pressure and (b) the thrust of water on the base. (g = 10m s-2.
Why is a force needed to keep a block of wood inside water?
How is the upthrust related to the volume of the body submerged in a liquid?
Select the correct option.
Unit of thrust in the SI system is
Consider the statement given below and choose the correct option.
Assertion: Water strider slides easily on the surface of the water.
Reason: Water strider experiences less buoyant force.
Icebergs and ships stay afloat due to ______.
