Which force opposes an aircraft's forward motion through the air?
AnswerDrag
Drag is air resistance acting against motion; thrust from engines overcomes it.
History · Facts & stats
Air Force facts & stats
7 fact-checked facts about air forces and military aviation history, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which force, mainly produced by the wings, holds an aircraft up?
AnswerLift
Wings shaped and angled to deflect air create lift that counters the aircraft's weight.
Going deeper
In which year did the United States Air Force become a separate military service?
Answer1947
The National Security Act of 1947 made the US Air Force its own branch, separate from the Army.
In which aircraft did Chuck Yeager first break the sound barrier in level flight, in 1947?
AnswerBell X-1
Yeager flew the rocket-powered Bell X-1 past Mach 1 on 14 October 1947.
What does the acronym RADAR stand for?
AnswerRadio Detection And Ranging
Radar sends out radio waves and measures their echoes to find the distance and direction of objects.
Expert level
Which control surface on the tail controls yaw, the nose moving left or right?
AnswerRudder
The rudder on the vertical tail fin swings the nose left or right.
The Red Arrows are the aerobatic display team of which air force?
AnswerRoyal Air Force
The Red Arrows are the RAF's Aerobatic Team, flying in tight formation with colored smoke trails.
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