Deployment of spoilers affects the drag curve by moving it in which direction?

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Multiple Choice

Deployment of spoilers affects the drag curve by moving it in which direction?

Explanation:
Spoilers disrupt the airflow, increasing drag while reducing lift. On a drag-vs-lift plot (CD vs CL), this means for any given lift coefficient the drag is higher, and the wing produces less lift. So the operating point moves to higher CD (up) and lower CL (left). That’s why the correct direction is up and left.

Spoilers disrupt the airflow, increasing drag while reducing lift. On a drag-vs-lift plot (CD vs CL), this means for any given lift coefficient the drag is higher, and the wing produces less lift. So the operating point moves to higher CD (up) and lower CL (left). That’s why the correct direction is up and left.

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