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Forces and Pressure. — Science STD 8 — Question

Tamilnadu BoardEnglish MediumSTD 8ScienceForces and Pressure.2 Marks
Question
Why dams are made stronger and thicker at the bottom that at the top?
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Answer

This is because the pressure of the water is much greater deeper down and the damneeds to be thick at the bottom so that is strong enough to withstand this larger pressure.

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