Air Pressure Flashcards, test questions and answers

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What is Air Pressure?

Air pressure, also known as atmospheric pressure, is the measure of the force exerted by the earth’s atmosphere on any object in it. It is expressed in terms of pounds per square inch (psi) or kilopascals (KPa). The average air pressure at sea level is 1013.25 millibars, which is equal to 1 atmosphere (atm).Air pressure affects our environment in several ways. First and foremost, it affects weather patterns. Since air pressure determines how much moisture an area can hold, areas with high air pressures tend to have drier climates while areas with low air pressures tend to have wetter climates. Additionally, high-pressure systems are usually associated with good weather while low-pressure systems are usually associated with bad weather such as storms and hurricanes.The effects of air pressure can also be felt by humans. When a person travels to a higher altitude location, he/she may experience symptoms like shortness of breath due to lower oxygen levels caused by decreased air pressure at higher altitudes. Air pressure also affects the human body in other wayswhen diving underwater for extended periods of time, people must equalize their ears every few feet or else they risk experiencing pain from the sudden change in air pressures between the surface and their deeper depths. Finally, airplanes require steady readings of atmospheric pressures for safe flights since rapid changes in altitude can cause turbulence and other hazardous conditions for pilots and passengers alike. As such, pilots need constant readings on local weather conditions before taking off or landing safely on an aircraft carrier or airport runway encompassed by different types of terrain that may affect atmospheric readings differently than those found at sea level do so they can adjust their course accordingly during flight operations if needed be done safely without risking any lives onboard the aircraft itself regardless if its military or civilian use overall when flying through different geographic regions around the world respectively anytime when its required during missions related with aviation itself regardless if its commercial freight transportation services which airlines provide regularly across global airspace today today especially now during this pandemic crisis worldwide that everyone has been facing recently sadly due these circumstances we’re all currently living under these days not everybody’s lucky enough to travel overseas still yet however hopefully things will get better soon someday soon as we continue fighting this virus together as one big family no matter what kind background everyone comes from we’re all part each others lives forever anyway stay safe out there everyone take care.