Lift or Drag? The Physics of Flight Quiz

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  • Which of the following is NOT a force acting on airplanes?

    • An airplane flying straight and level at a constant speed has four forces acting on it: lift, drag, weight and thrust. Weight and mass are not the same thing. Mass is a measure of the amount of matter in an object, while weight factors in the downward pull of gravity on an object.
    • An airplane flying straight and level at a constant speed has four forces acting on it: lift, drag, weight and thrust. Weight and mass are not the same thing. Mass is a measure of the amount of matter in an object, while weight factors in the downward pull of gravity on an object.
    • An airplane flying straight and level at a constant speed has four forces acting on it: lift, drag, weight and thrust. Weight and mass are not the same thing. Mass is a measure of the amount of matter in an object, while weight factors in the downward pull of gravity on an object.
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