1. The problem statement, all variables and given/known data 5. The air pressure at sea level on a cold day is P0 = 1.013 x 105 Pa. At 10.0 km above sea level the air pressure is 0.30 P0 ; however a commercial jet plane keeps the pressure in the passenger and crew section at 0.75 P0 . If the surface area of the cabin structure is 1200 m2 , find the net force on the cabin surface due to the differential of pressure. 2. Relevant equations 3. The attempt at a solution P net pressure = 0.75 - 0.30 = 0.45 Pa F=???