Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Fluids, Please Help me!

  1. Jan 28, 2007 #1
    The L-shaped tank shown in Figure 14-33 is filled with water and is open at the top.


    (a) If d = 5.0 m, what is the force on face A due to the water?
    N (up)
    (b) What is the force on face B due to the water?
    N (right)

    The Force of water on the face A
    FA = PA*AA
    = rwg hA* AA
    = rwg ( 2d ) * AA
    0r FA = rwg ( 2d ) * d2
    putting the values we get FA = 2.5*106 N
    The atmospheric force on the face A = FA= ( 1.013*105 )*( 52)
    = 2.5*106 N
    Therefore Net force FAnet = Fatmp + FA
    FAnet = 5*106 N

    b) Force on the face B due to the water alone = FB
    FB = PB*AB
    = rwg ( 5d /2) d2
    FB = 3.1*106 N
    Thus, net force on face B FBnet = Fatmp + FBnet
    FBnet = 5.6*106 N

    I have given the problem a try. Please confirm the answer
    Last edited: Jan 28, 2007
  2. jcsd
  3. Jan 29, 2007 #2


    User Avatar

    Staff: Mentor

    I'll leave this problem in Advanced Physics (Instead of Intro Physics) for now, because it appears to require an integration for (b).

    Premed -- why do I think you need to use integration for part (b)?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook