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I Hydrostatic Force Question

  1. Jul 18, 2016 #1
    Hello! I am currently in Calculus 2 and we are dealing with hydrostatic force. I get the integration that happens but I always seem to have trouble with solving the word problems. With this problem, I realize that I use integrate by making an infinite number of rectangles on the 2 triangles. I wanna know the differences in solving both of them and trying to find the width formula with respect to x. Thank you!
     

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  3. Jul 19, 2016 #2

    andrewkirk

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    The question is unclear. Which force are they asking about? If the plate is sealed against the wall so that there is no water between the plate and the wall, there will be a force pushing the plate against the wall, arising from water pressure. Do you think that's the force they mean?
     
  4. Jul 19, 2016 #3

    Nidum

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    From the question : ' try to anticipate the answer ' .

    Ask yourself :

    How does pressure vary with depth ?

    For each triangle which has the more area exposed to the higher pressures ?
     
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