In a given aircraft we have two possible landing flaps positions: 0 and 10. In order to obtain a shorter ground roll the following should be used

  1. The position of the flaps has no influence on the lengh of the ground roll
  2. 0.
  3. 10.Correct answer
  4. All the answers given are false

Explanation

Using a small amount of flaps (e.g., 10 degrees) for take-off increases the wing's Lift Coefficient (CL).

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