What role does lift play in flight?

Lift is a vital aerodynamic force that acts on an aircraft, allowing it to rise off the ground and remain in the air during flight. This force is generated primarily by the wings, as air flows over and under them, creating a pressure difference. The wings are designed with a specific shape, known as an airfoil, which is crucial for generating lift as the plane moves forward.

When lift exceeds the weight of the airplane, it enables the aircraft to climb or stay at a stable altitude. Understanding the role of lift is essential for flight attendants and all aviation professionals, as it influences not only the aircraft's performance but also the safety and comfort of passengers onboard. By comprehending that lift is the force that literally keeps the airplane aloft, one recognizes its fundamental importance in aviation dynamics.