Why are dams over rivers made borders at the bottom than at the top
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to reduce the pressure on the land
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this is done because the water presure at the bottom is higher than the upper part it is due to the adhesive force between the water and dam's body,
also by Archimedes it states that pressure increases with deapth so the lower part of dams are broader than upper ones.
also by Archimedes it states that pressure increases with deapth so the lower part of dams are broader than upper ones.
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