Flight and Space

2. The central body of an aircraft where wings and stabilizers are attached.
4. The major horizontal surface on an airplane that provides lift.
7. The tail assembly of an aircraft, including the horizontal and vertical stabilizers, elevators, and rudder.
8. The force generated by gravitational attraction of the earth on the airplane. Lift must be equal to weight in order to sustain flight.
10. A gas or liquid that tends to take the shape of its container.
11. Resistance of the air (technically a fluid) against the forward movement of an airplane.
12. The force that directly opposes the weight of an airplane and holds the airplane in the air.

1. The rate of change of velocity with respect to time.
3. Transferring of energy to an object, typically by pushing or pulling on that object.
5. The force that attracts a body toward the center of the earth or toward any other physical body having mass.
6. A vector quantity that includes the speed and direction of an object.
9. A force applied to a body to propel it in a desired direction. The force which moves an aircraft through the air.