What is the forward force produced by the powerplant or propeller?

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Multiple Choice

What is the forward force produced by the powerplant or propeller?

Explanation:
Thrust is the forward force produced by the propulsion system. A propeller pushes air rearward to generate a forward reaction on the airplane, while a jet engine expels exhaust backward, producing forward push as well. This forward force is what overcomes drag; in steady, level flight thrust balances drag. Lift is the vertical force that supports weight, and weight is gravity pulling the airplane downward. Drag is the resistance opposing motion. So the forward force from the powerplant or propeller is thrust.

Thrust is the forward force produced by the propulsion system. A propeller pushes air rearward to generate a forward reaction on the airplane, while a jet engine expels exhaust backward, producing forward push as well. This forward force is what overcomes drag; in steady, level flight thrust balances drag. Lift is the vertical force that supports weight, and weight is gravity pulling the airplane downward. Drag is the resistance opposing motion. So the forward force from the powerplant or propeller is thrust.

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