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Unit 1 -7th
Vocabulary Flight and Space
| Term | Definition |
|---|---|
| acceleration | the rate of change of velocity with respect to time |
| aileron | the controlling surface that regulates an aircraft's roll |
| airfoil | a part or surface, such as a wing, propeller's blade, or rudder, whose shape and orientation control stability, direction, lift, thrust, or propulsion |
| camber | a measure of the curvature of the airfoil |
| cardinal directions | the four main directions: north, south, east, and west |
| compass rose | a symbol on a map that shows orientation relative to north, south, east, and west |
| drag | resistance of the air against the forward movement of an airplane |
| elevator | the controlling surface that regulates an aircraft's pitch |
| empennage | the tall assembly of an aircraft |
| fluid | a gas or liquid that tends to take the shape of its container |
| force | transferring of energy to an object, typically by pushing or pulling on that object |
| fuselage | the central body of an aircraft where wings and stabilizers are attached |
| gravity | the force that attracts a body toward the center of the earth or any other physical body having mass |
| knot | equal to one nautical mile per hour |
| lift | the force that directly opposes the weight of an airplane and holds the airplane in the air |
| mass | the amount of matter in an object |
| nautical mile | distance measurement used in both air and marine navigation. It is equal to one minute of latitude or 1.15 miles |
| Newton's 1st Law | objects at rest stay at rest and objects in motion stayin motion unless an external force is applied |
| Newton's 2nd Law | the relationship among an object's mass, acceleration, and an applied force, is Force equals mass times acceleration (F=ma) |
| Newton's 3rd Law | for every action there is an equal and opposite reaction |
| pitch | the up and down movement of an aircraft |
| propeller | an airfoil mounted on a revolving shaft. It creates low pressure in fron of it, thereby movin an aircraft forward because of the high pressure area behind it |
| propulsion | the means by which aircraft and spacecraft are moved forward. It is a combination of factors such as thrust, lift, drag, and weight |
| roll | the clockwise or counterclockwise rotating motion of an aircraft |
| rudder | controlling surface on a aircraft's tail that regulates yaw |
| topography | the shape and features of land surfaces, including both natural and artificial physical features of an area |
| thrust | a force applied to a body to propel it in a desired direction. This force moves an aircraft in the air |
| weight | the force generated by the gravitational attraction of the earth on the airplane Lift must be equal to this force in order in sustain flight |
| wing | the major horizontal surface on an airplane that provides lift |
| yaw | a side-to-side movement of the nose of the aircraft |
Created by:
lstevens3
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