Question

Why walls of the dam are made thick from bottom and thin-from above?

Answer 1

Answer:

to control the heavy pressure of water at the bottom

Answer 2

Explanation:

In this question,

We have been asked why walls of the dam are made thick from bottom and thin from above?

The walls of the dam are made thick from the bottom and thin-from the above because the pressure of the water is much greater extending far down than above and the dam needs to be thick at the bottom so that it is strong enough to resist this large Pressure.