AI works on the principle of ____ of gyros.
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rigidity
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precession
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both (1) and (2)
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none of these
A
Correct answer
Explanation
The attitude indicator operates on the principle of gyroscopic rigidity. The gyroscope in the AI maintains a fixed orientation in space due to rigidity, while the aircraft rotates around it. The gimbal system allows the gyroscope to remain stable while the aircraft case moves, providing a reliable artificial horizon reference for both pitch and bank information.