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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 a liquid increases with depth. So, the wall of a dam is thicker at its base to withstand the heavy pressure exerted by river water.
संबंधित प्रश्न
Name the quantity whose one of the units is pascal (Pa).
What name is given to thrust per unit area ?
A liquid exerts pressure in all directions.
Describe a simple experiment to show that at a given depth, a liquid exerts same pressure in all directions.
The air pressure on our body is equal to ______ pressure.
How much pressure do we carry on our heads? why don't we feel it?
Which of the following liquids has more viscosity?
Figure shows a container filled with water. Which of the following statements is correct about pressure of water?
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.
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.
