Discussion
A thrust of \( 40 \ \mathrm{kN} \) acts \( 0.8 \ \mathrm{m} \) below the centre of gravity. The pitching moment produced is
Answer: B
Multiplying gives \( 40 \times 0.8 = 32 \) kilonewton metres, and a thrust line below the centre of gravity pitches the nose up. Applying power therefore requires a trim change on any aeroplane with underslung engines.
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