Discussion
An aircraft of \( 90 \) t with a wing area of \( 122 \) m\( ^2 \) has a wing loading of nearest to
Answer: B
Correct answer: 7240 N/m^2
Wing loading is weight, not mass, divided by area: \[ \frac{90\,000 \times 9.81}{122} = \frac{882\,900}{122} = 7237\ \text{N/m}^2. \] Forgetting the factor \( g \) gives 738 N/m², which is one of the distractors. A figure of around 7000 N/m² is typical for a transport, so the magnitude is itself a check.
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