Why does it happen?
The wall of a dam is broad at its base.

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Solution

We know pressure of liquid increases with depth. So, the wall of a dam is made broader at its base so that it is able to withstand the heavy pressure exerted by the river water.

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Similar questions

Q. Why does it happen?
A. A ship dips to a larger depth in fresh water as compared to marine water.
B. Fruits can easily be cut with a sharp knife.
C. The wall of a dam is broad at its base.
D. If a stationary bus suddenly speeds up, passengers are thrown in the backward direction.

(a) How does the pressure of a liquid depend on its depth? Draw a labelled diagram to show that the pressure of a liquid (say, water) depends on its depth.

(b) Explain why, the walls of a dam are thicker near the bottom than at the top.

Why does it happen? The wall of a dam is broad at its base.

Q. Why the wall of a dam is broad at its base?

Why is the wall of a dam made thicker near its bottom?

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Why does it happen?The wall of a dam is broad at its base.

We know pressure of liquid increases with depth. So, the wall of a dam is made broader at its base so that it is able to withstand the heavy pressure exerted by the river water.

Why does it happen?
The wall of a dam is broad at its base.