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प्रश्न
Why does it happen?
The wall of a dam is broad at its base.
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उत्तर
We know the pressure of liquid increases with depth. So, the wall of a dam is made broader at its base so that it is able to withstand the heavy pressure exerted by the river water.
संबंधित प्रश्न
Fill in the blank with suitable word :
In fluids (liquids and gases), pressure acts in....................directions, and pressure.................as the depth increases.
Describe the crushing tin can experiment. What do you conclude from this experiment?
The pressure of a liquid column ______ with the depth of the column.
Viscosity depends on the pressure of a liquid.
The size of an air bubble rising up in water ______.
Figure shows a container filled with water. Which of the following statements is correct about pressure of water?
All flowing substances such as liquids or gases are called fluids.
Analogy
Liquid pressure: ______ :: Atmospheric Pressure: ______.
The pressure does not depend upon ______.
Assertion (A): The force acting on the surface of a liquid at rest, under gravity, in a container is always horizontal.
Reason (R): The forces acting on a fluid at rest have to be normal to the surface.
