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प्रश्न
A dam has broader walls at the bottom than at the top. Give a reason.
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उत्तर
To withstand the greater pressure of water which increases with increase in depth.
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संबंधित प्रश्न
Fill in the blank with suitable word :
Force acting on a unit area is called...................
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The wall of a dam is broad at its base.
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Describe an experiment to prove that the pressure in a liquid increase with depth.
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All flowing substances such as liquids or gases are called fluids.
