Help solving / check fluid force

Click For Summary

Homework Help Overview

The discussion revolves around calculating the fluid force on a vertical panel submerged in water, with dimensions provided in feet. The original poster presents a calculated force value based on the density of water.

Discussion Character

  • Exploratory, Assumption checking, Mathematical reasoning

Approaches and Questions Raised

  • Participants are verifying the original poster's calculations and discussing the precision of the result. There are questions about the completeness of the problem statement and the assumptions made in the calculations.

Discussion Status

Some participants have confirmed the calculations and expressed satisfaction with the integral used, while others are seeking clarification on the original problem statement. There is a recognition of the precision of the answer, but no consensus on the overall setup of the problem.

Contextual Notes

There is a noted lack of complete problem details from the original poster, which has led to some assumptions being made by participants. The discussion also touches on the use of units and the implications of precision in the calculations.

mcrew
Messages
3
Reaction score
0
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
 
Physics news on Phys.org
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
 
Last edited:

Similar threads

  • · Replies 7 ·
Replies
7
Views
2K
  • · Replies 24 ·
Replies
24
Views
3K
Replies
7
Views
2K
Replies
8
Views
1K
Replies
3
Views
6K
Replies
6
Views
3K
  • · Replies 13 ·
Replies
13
Views
3K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K