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Assertion (A): Moments of inertia are computed alongside the centre of gravity.

Reason (R): They govern how quickly the aircraft responds in roll, pitch and yaw.

Select the correct answer from the options below.

  • A.A is true but R is false
  • B.A is false but R is true
  • C.Both A and R are true, and R is the correct explanation of A
  • D.Both A and R are true, but R is not the correct explanation of A

Answer: C

Both statements are true and the second is the reason for the first. Handling qualities and flutter analysis both need them, and they come from the same itemised mass data that gives the centre of gravity, so they cost little extra to produce.

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