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Primary purpose of trim tab is to

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A trim tab is used to \[ \boxed{ \text{balance aerodynamic moments and reduce pilot effort.} } \] During trimmed flight, \[ \boxed{ \sum M_{CG}=0. } \]

Updated On: Jul 14, 2026

Ensure that the total moment about the center of gravity equals zero
Increase lift
Make the total drag equal to zero
Decrease lift

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The Correct Option is A

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