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Questions and Answers
True or false: In level flight, the four forces acting are lift, weight, drag, and thrust.
True
True or false: The lift acts through the center of gravity.
False
True or false: The elevator deflection can be altered to provide an up or down load to trim the aircraft.
True
True or false: The increase in drag is known as CP varying with angle of attack and CG varying as fuel trim drag.
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True or false: Flying at the maximum lift/drag ratio means producing the most lift for the least amount of drag.
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Study Notes
Forces in Level Flight
- In level flight, the four forces acting on an aircraft are lift, weight, drag, and thrust.
Lift Characteristics
- Lift acts through the center of gravity.
Trim Control
- Elevator deflection can be altered to provide an up or down load to trim the aircraft.
Drag Characteristics
- The increase in drag is known as CP (Center of Pressure) varying with angle of attack and CG (Center of Gravity) varying as fuel trim drag.
Optimum Flight
- Flying at the maximum lift/drag ratio means producing the most lift for the least amount of drag.
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Description
Test your knowledge on the relationship between lift, weight, thrust, and drag in steady state flight. Understand the equilibrium of forces and their specific points of action during straight and level flight.
