Irrespective of the manoeuvres being undertaken, drag always acts parallel toQuestion 15Select one:a.The thrust lineb.The longitudinal axisc.The relative air flowd.The chord line
Question
Irrespective of the manoeuvres being undertaken, drag always acts parallel toQuestion 15Select one:a.The thrust lineb.The longitudinal axisc.The relative air flowd.The chord line
Solution
The correct answer is c. The relative air flow. Drag always acts parallel to the direction of the relative air flow. This is because drag is a force that opposes the motion of an object through a fluid (in this case, the fluid is air). The direction of the relative air flow is the direction that the air appears to be coming from as the aircraft moves through it. Therefore, the drag force is always aligned with this direction.
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