It is resistance to the forward motion directly opposed to thrust

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Study for the Principles of Flight Test. Learn with flashcards and multiple-choice questions, each question includes hints and explanations. Prepare for your exam with confidence!

Multiple Choice

It is resistance to the forward motion directly opposed to thrust

Explanation:
Drag is the aerodynamic resistance that opposes the airplane’s forward motion. As the aircraft moves through air, a backward force acts along the direction of travel, opposing thrust. Thrust drives the airplane forward, while drag resists that push and tends to slow it down. Lift is the upward force that supports the weight, which is the downward force of gravity. Drag comes from air flow around the aircraft—parasite drag from the surface and form, and induced drag related to generating lift. So the description given matches drag.

Drag is the aerodynamic resistance that opposes the airplane’s forward motion. As the aircraft moves through air, a backward force acts along the direction of travel, opposing thrust. Thrust drives the airplane forward, while drag resists that push and tends to slow it down. Lift is the upward force that supports the weight, which is the downward force of gravity. Drag comes from air flow around the aircraft—parasite drag from the surface and form, and induced drag related to generating lift. So the description given matches drag.

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