An airplane window has an area of 825cm square. Cabin pressure is 1atm and the outside pressure is 0.3atm. Find the force produced by air pressure on the window ?
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Given: airplane window area=825 CM square
Cabin pressure=1atm
Outside pressure=0.3atm
To find out: force
Working formula:F=P×A (since P=F/A)
Solution: cabin pressure-outside pressure
Therefore (1.0-0.3)atm
=0.7 atm
As F= P×A
Therefore F=(0.7×825)N
= 577.5N
Ans:577.5N
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