A dam is able to hold a large quantity of water because its wall is...
PHYSICS
WAEC 2018
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 Answer: C. thickest at the bottom
Explanation
The pressure of the water is much greater deeper down and the dam needs to be thick at the bottom so that it is strong enough to withstand this larger pressure.
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