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A dam has broader walls at the bottom than at the top. Give a reason.

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Answer

The pressure at a point due to a liquid increases with the increase in height of the liquid column above it, so to withstand the increasing pressure of water a dam has broader walls at the bottom than at the top.

In the figure given below, the increasing length of arrows in water represents the increasing pressure on the wall of the dam towards the bottom.

A dam has broader walls at the bottom than at the top. Explain. Pressure in Fluids & Atmospheric Pressure, Concise Physics Solutions ICSE Class 9.

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