6. On a quiet day, the atmospheric pressure results in a force of about 10,0000 N on a window pane with an area of 1 square meter. a. Why does this large force not shatter the window? b. How will this change if a strong wind is blowing across the window pane?

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Physics

Lucian Branch

8 September, 04:47

6. On a quiet day, the atmospheric pressure results in a force of about 10,0000 N on a window pane with an area of 1 square meter. a. Why does this large force not shatter the window? b. How will this change if a strong wind is blowing across the window pane?

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Paul Rhodes · Answer 1

a. The same atmospheric pressure that's pushing the window from the outside is also pushing on the window from the inside. So the forces are balanced.

b. If a strong wind is blowing across the window pane, the pressure will drop, as described by the Bernoulli principle. So the pressure inside will be greater than the pressure outside, causing the window to bow out a little.