Which force enables an aircraft to overcome drag?

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Multiple Choice

Which force enables an aircraft to overcome drag?

Explanation:
The force that overcomes drag is thrust. Drag pushes backward against the aircraft’s motion through the air, so you need a forward-directed force to counteract it. Thrust comes from the engine and propeller or jet, pushing the airplane ahead. In steady level flight, thrust balances drag, just as lift balances weight. Lift and weight influence vertical balance, not the forward resistance, so they don’t “overcome” drag. If thrust exceeds drag, the airplane accelerates; if thrust equals drag, the airspeed remains constant.

The force that overcomes drag is thrust. Drag pushes backward against the aircraft’s motion through the air, so you need a forward-directed force to counteract it. Thrust comes from the engine and propeller or jet, pushing the airplane ahead. In steady level flight, thrust balances drag, just as lift balances weight. Lift and weight influence vertical balance, not the forward resistance, so they don’t “overcome” drag. If thrust exceeds drag, the airplane accelerates; if thrust equals drag, the airspeed remains constant.

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