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32 - FAA Part 107 Drone Exam Prep - Why does a drone require more power to hover at 10,000 feet MSL than it does at sea level?

Question 32 - Loading and performance - FAA Part 107 Drone Exam Prep

Because the force of gravity is significantly stronger at higher altitudes.
Because the air is less dense at high altitudes, requiring the propellers to spin faster to generate the same amount of lift.
Because the air is colder, which creates more aerodynamic drag.

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