A dam is able to hold a large quantity of water... - WAEC Physics 2018 Question
A dam is able to hold a large quantity of water because its wall is
A
thickest at the top
B
thickest at the middle
C
thickest at the bottom
D
of the same thickness throughout
correct option: c
The pressure of the water is greater deeper towards the bottom hence, the dam needs to be thicker at the bottom so it is strong enough to withstand this larger pressure.
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