A dam has border walls at the bottom then at the top... Give reason
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what I am not getting you are question
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here u go
friend I didn't understand your question correctly
but I hope this might help u.....
A dam has broader walls at the bottom than at the top because the pressure exerted by liquid increases with its depth, and at any point at a particular depth liquid pressure is the same in all directions. ... Hence a thick wall is constructed at the bottom of the dam to withstand greater pressure.
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