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The pressure of the water against the top of the dam wall, is much less than the pressure exerted against the bottom of the dam wall. The width of a dam wall increases to compensate for the increased water pressures at the lower level.

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Q: Why the base of the dam is made wider?
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Why dam pillar are wider at the base?

pillars with wider base support more load


Why are the walls of dam thickened near the base?

why are the walls of a dam thickened near the base


Why do dams have a very broad base?

Dams must hold back water of a certain depth, determined by the height of the dam. The pressure exerted by this water on the dam is dependent in part by its depth, since the base of the dam must be able to hold pressures exerted by the weight of all the water above the base. Since the pressure is greater at the base, the dam is broader at the base.


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The depth of water behind the Hoover Dam in Nevada is 220 m what is the water pressue at the base of this dam?

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Why do dams have a broader base?

Dams have a broader base to provide more stability and support against the pressure of the water they are holding back. The wider base helps distribute the weight of the dam more evenly and reduces the risk of structural failure. Additionally, the broader base allows the dam to resist uplift forces and prevent it from being pushed over by the water.


How does base of support influence stability?

The wider your base of support, the steadier you are.


Is pressure lower at the bottom of a dam?

Yes, pressure is higher at the bottom of a dam because the weight of the water above it creates a greater force pushing down. This higher pressure at the bottom helps to support the structure of the dam.


Why does a dam at the end of a lake need to be wider at the bottom?

Because water pressure is greater near the surface of the water


Can a dam create an artificial base level?

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Why dams are made wider at the bottom?

Dams must hold back water of a certain depth, determined by the height of the dam. The pressure exerted by this water on the dam is dependent in part by its depth, since the base of the dam must be able to hold pressures exerted by the weight of all the water above the base. Since the pressure is greater at the base, the dam is broader at the base.


Indira sagar dam is situated on which river-?

Narmada River is where the Indira Sagar dam is located. This dam was made by Indira Gandhi.