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प्रश्न
Write an expression for the pressure at a point inside a liquid. Explain the meaning of the symbols used.
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उत्तर
P = Po + h ρ g
Here, P = Pressure exerted at a point in the liquid
Po = Atmospheric pressure
h = Depth of the point below the free surface
`ρ` = Density of the liquid
g = Acceleration due to gravity
संबंधित प्रश्न
State whether the following statement is true or false :
The buoyant force depends on the nature of object immersed in the liquid
What is the other name of buoyant force ?
What is upthrust ?
What is the cause of buoyant force ?
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?
Why does it happen?
A ship dips to a larger depth in fresh water as compared to marine water.
How does the liquid pressure on a diver change if:
the diver moves to the greater depth
Define upthrust and state its S.I. unit.
The center of gravity of the floating body and the center of buoyance are in the same ______ line.
Salt water provides less buoyant force than freshwater.
