Which of the following is NOT one of the four basic aerodynamic forces?

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Multiple Choice

Which of the following is NOT one of the four basic aerodynamic forces?

Explanation:
Four basic aerodynamic forces are lift, weight, thrust, and drag. Lift acts upward to support the aircraft, weight pulls downward due to gravity, thrust pushes the airplane forward, and drag resists that forward motion. Torque is a twisting moment, not a direct force acting through the air; it comes from how forces are applied (like engine and propeller action) and affects rotation rather than acting as one of the main forces driving or resisting flight. So the item points to something that isn’t among the four primary forces, which is torque.

Four basic aerodynamic forces are lift, weight, thrust, and drag. Lift acts upward to support the aircraft, weight pulls downward due to gravity, thrust pushes the airplane forward, and drag resists that forward motion. Torque is a twisting moment, not a direct force acting through the air; it comes from how forces are applied (like engine and propeller action) and affects rotation rather than acting as one of the main forces driving or resisting flight. So the item points to something that isn’t among the four primary forces, which is torque.

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