Ace the Earhart Aerospace Exam 2025 – Soar into Your Aviation Adventure!

Question: 1 / 400

What is primarily responsible for creating lift on an aircraft wing?

Gravity

Inertia

Pressure difference

The correct answer is primarily focused on the concept of pressure difference, which is fundamental to the generation of lift in an aircraft wing. When a wing moves through the air, its shape is designed to create a difference in air pressure above and below the wing. This occurs as the wing has an airfoil shape, leading the air to travel faster over the top surface and slower under the bottom surface. According to Bernoulli's principle, the faster-moving air on top results in lower pressure, while the slower airflow under the wing creates higher pressure. This pressure differential produces an upward force known as lift, enabling the aircraft to rise and maintain altitude.

Understanding this concept is critical in aerodynamics, as it illustrates how lift is not merely a product of the weight of the aircraft or friction but rather arises from the interaction between the wing and the surrounding air.

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Friction

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