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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
Why is it difficult to hold a school bag having a strap made of a thin and strong string?
State the units in which pressure is measured.
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Force acting on a unit area is called...................
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In fluids (liquids and gases), pressure acts in....................directions, and pressure.................as the depth increases.
Pressure in a liquid ................with the depth.
The air pressure on our body is equal to ______ pressure.
State whether true or false. If false, correct the statement.
The shape of an object helps to determine whether the object will float or not
The pressure in a liquid is the same at all depths.
Name an instrument used to measure the difference in the liquid pressure.
State whether the liquids and gases also exert pressure.
