Help solving / check fluid force

AI Thread Summary
The discussion centers on verifying the calculation of fluid force on a vertical panel submerged in water, with dimensions of 15'x5' and a water density of 62.5 lb/ft³. The original poster calculated the force to be 11,718.75 pounds and sought confirmation of this result. Other participants confirmed the calculation and noted that the integral used was correct. There was also commentary on the precision of the answer given the height measurement. Overall, the consensus is that the calculation is accurate and well-explained.
mcrew
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I have a vertical panel. Top of panel is at water level. Units are in feet. 15'x5'. I calculated the force in pounds. water=62.5 lb/ ft3. I came up with F= 11,718.75 lb
Just double checking this, making sure I did I correctly.
ImageUploadedByPhysics Forums1408553893.001694.jpg
 
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Hard to tell without more info. Please state the entire problem, exactly as given.
 
ImageUploadedByPhysics Forums1408657738.852390.jpg
 
My calculations were 11718.75 pounds. Just trying to verify my answer. I want to make sure I did the integral correctly.
 
mcrew said:
My calculations were 11718.75 pounds. Just trying to verify my answer. I want to make sure I did the integral correctly.

I confirm that answer.
 
Nice: a weight (oh, sorry, a force...) in seven digits when the height is given in one.
The integral is correct.

But boy, am I glad I was taught SI units...

Still don't see the problem, exactly as given; do you, o gut peeker ?
 
BvU said:
Nice: a weight (oh, sorry, a force...) in seven digits when the height is given in one.

Still don't see the problem, exactly as given; do you, o gut peeker ?

Yes, the answer is excessively precise.
The second diagram explains the question well enough, I think. In the OP, I had to assume the answer correct to deduce the question.
 
This looks correct. (Oops, I was doing PF with my Iphone, and didn't notice the other responses).

Chet
 
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