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Bernoullis Equation?

  • Thread starter mwahx3
  • Start date
  • #1
19
0

Homework Statement



If wind blows at 35 m/s over a house, what is the net force on the roof if its area is 240m^2 and is flat?


Homework Equations




Bernoulli's equation.


The Attempt at a Solution



I have no idea how to belgin =|
 

Answers and Replies

  • #2
learningphysics
Homework Helper
4,099
5
I think you can use dynamic pressure = [tex]\frac{density * velocity^2}{2}[/tex]

Then use pressure = force/area.
 
  • #3
Doc Al
Mentor
44,882
1,130
To find the net force on the roof, compare the reduced pressure of the moving outside air to the pressure of the air within the house.
 

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