- #1
dimpledur
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Homework Statement
I'm working on a particular problem that involves the force on a face of a triangular prism under water. What I am wondering is if someone could explain how to find dA for the prism? If the prism is an equilateral triangle, then [tex]dA=\sqrt3dy[/tex] doesn't it? My book is showing that the area is [tex]2\sqrt3ydy[/tex] and I really cannot see how...