# Answer to Question #1387 in Mechanics | Relativity for Jon ALlen

Question #1387

Air within the funnel of a large tornado may

have a pressure of only 0.19 atm.

What is the approximate outward force F

on a 9.1 m × 26 m wall if a tornado suddenly

envelopes the house? Atmospheric pressure is 1.013 × 105 Pa.

Answer in units of N.

have a pressure of only 0.19 atm.

What is the approximate outward force F

on a 9.1 m × 26 m wall if a tornado suddenly

envelopes the house? Atmospheric pressure is 1.013 × 105 Pa.

Answer in units of N.

Expert's answer

As in 1 atm is 1.013 × 10

Let's find the area of the wall: S = 9.1* 26 = 236.6 m

Thus:

F = PS = 0.192 × 10

^{5}Pa, in 0.19 atm would be 0.192 × 10^{5}Pa.Let's find the area of the wall: S = 9.1* 26 = 236.6 m

^{2}.Thus:

F = PS = 0.192 × 10

^{5 }* 236.6 = 4.543 × 10^{6 }N.
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