The artificial horizon uses a gyroscope with...

Question

Answer

horizontal plane

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two degrees of freedom, and an automatic erection system attempts to align its rotor spin axis with the

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two degrees of freedom, and an automatic erection system attempts to align its rotor spin axis to the local

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one degree of freedom, and an automatic erection system attempts to align its rotor spin axis to the local 
 vertical

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one degree of freedom, and an automatic erection system attempts to align its rotor spin axis with the 
 horizontal plane

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