What is the force that moves an aircraft forward in flight?

What is the force that moves an aircraft forward in flight?

• A. Thrust
• B. Drag
• C. Lift
• D. Weight

Answer: (A)

Thrust is the forward-moving force produced by the aircraft’s engines or propellers, which push air backward and create a forward reaction that drives the airplane through the air. In flight, thrust must overcome drag, the resistance the air creates as the aircraft moves. When thrust and drag balance, the plane maintains a steady speed; more thrust speeds it up, while less slows it down. Lift, on the other hand, is the upward force that holds the plane up against weight, which pulls downward due to gravity.

Thrust is the forward-moving force produced by the aircraft’s engines or propellers, which push air backward and create a forward reaction that drives the airplane through the air. In flight, thrust must overcome drag, the resistance the air creates as the aircraft moves. When thrust and drag balance, the plane maintains a steady speed; more thrust speeds it up, while less slows it down. Lift, on the other hand, is the upward force that holds the plane up against weight, which pulls downward due to gravity.