Q. 174.5( 2 Votes )

Describe an activity to show that a liquid exerts equal pressure in all the direction at a given depth.

Answer :

Activity: To show that liquid exerts equal pressure in all the direction at a given depth.

Theory: Pressure is force per unit area. At any point in a fluid, the pressure is the same in all directions.


P = gh, where


Ø P is the water pressure at a particular depth


Ø g is the acceleration due to gravity


Ø h is the depth of the water at that point


Materials Required: A plastic bottle, hammer, and nail, ruler


Experiment:


Ø Make holes of the same size on the bottle with the help of hammer and nail.


Ø Make sure that the holes should be at the same distance from the bottom surface.


Ø Now fill the bottle with water.


Ø Measure the distance from the bottle to the distance up to which the water comes out.


Conclusion: We will notice that the distance covered by the water coming out of the holes is equal. This implies that the pressure of the liquid at given depth is the same.



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