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What type of drag is primarily influenced by the shape of the aircraft?

Induced drag

Profile drag

Profile drag is directly influenced by the shape of the aircraft. This type of drag is a component of parasite drag and specifically arises from the friction between the air and the surface of the aircraft as it moves through the atmosphere. The design of an aircraft—such as its cross-sectional area, surface roughness, and the contour of its aerodynamic features—plays a critical role in determining the amount of profile drag it experiences.

A smooth and streamlined shape minimizes profile drag, allowing for more efficient airflow around the aircraft. In contrast, irregular or blunt shapes can increase turbulence and resistance, leading to higher profile drag. Understanding the effects of aircraft shape on drag is essential for optimizing performance and fuel efficiency during flight, making this concept particularly important in aerodynamics and aircraft design.

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Parasite drag

Lift drag

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