Thrust is the force that propels an object forward, commonly associated with vehicles like airplanes and rockets. It is generated by engines, which push air or exhaust gases backward, resulting in an equal and opposite reaction that moves the vehicle forward, as described by Newton's Third Law of Motion. In aviation, thrust is crucial for overcoming drag and achieving lift. The amount of thrust produced depends on the engine type and design, such as jet engines or propellers. Understanding thrust is essential for engineers and pilots to ensure safe and efficient flight operations.