Unaccelerated flight means the airplane is what?

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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

Unaccelerated flight means the airplane is what?

Explanation:
Acceleration is the rate at which velocity changes. If the airplane’s speed stays the same and there’s no change in how fast or in what direction it’s moving, there’s no acceleration. Unaccelerated flight means the aircraft isn’t speeding up or slowing down, so it’s neither accelerating nor decelerating. Climbing or descending isn’t the defining factor by itself; what matters is that the speed (and thus the velocity) isn’t changing. So the best description is that the airplane is not changing its speed.

Acceleration is the rate at which velocity changes. If the airplane’s speed stays the same and there’s no change in how fast or in what direction it’s moving, there’s no acceleration. Unaccelerated flight means the aircraft isn’t speeding up or slowing down, so it’s neither accelerating nor decelerating. Climbing or descending isn’t the defining factor by itself; what matters is that the speed (and thus the velocity) isn’t changing. So the best description is that the airplane is not changing its speed.

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