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Fluid Force. Help exam today!

  • Thread starter tnutty
  • Start date
  • #1
327
1
A metal oil tank has cross-section that is a square rotated 45 degrees as shown in the figure above. Its height is 12 ft and width is 12 feet. The oil in the tank has a weight-density of 57 lb/ft3.
Write a definite integral that expresses the fluid force on the end of the tank when the oil is 4 feet deep?

Here is a link to the photo :
http://img17.imageshack.us/img17/2294/76984288.jpg [Broken]

hopefully you can make it out.

I am not sure how to set up the definite integral.
 
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Answers and Replies

  • #2
minger
Science Advisor
1,495
1
Well, I think you can figure out out that
[tex] f = pA[/tex]
Right?

Area is a function that you have. Pressure is a function as well. What are these functions?
 

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