A dam has ______ walls at the base than at the top.
Hence, a dam has broader walls at the base than at the top.
A dam has broader walls at the bottom than at the top. Explain.
(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.
A dam has broader walls at the bottom than at the top.