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| is a quantity that represents only magnitude |
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| is a quanitity that represents both magnitude and direction |
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| is a push or pull exerted on a body |
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| is the quantity of molecular material that comprises an object |
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| amount of space occupied by an object |
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| force with which a mass is attracted toward the center of the earth by gravity |
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| a vector quantity equal to a force F * s (distance) |
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| rate of doin work or work done per unit time P= w/t |
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| a scalar measure of body's capacity to do work |
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| ability of a body to do work because of its position or state of being |
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| ability of a body to do work because of its motion |
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| eqquilibrium flight exists when... |
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| the sum of all forces AND the sum of all moments around the COG are equal to zero |
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| Trimmed flight exists when... |
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| the sum of all moments around the COG is equal to zero |
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| A body at rest tends to remain at rest and a body in motino tends to remain in a straight line at a constant velocity unless acted upon by some unbalanced force |
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unbalanced force acting ona body produces an acceleration in the direction of the force that is directly proportional to the force and inversely proportional to themass of the body
(F = m * a) |
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| For every action there is an equal and opposite reaction |
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| the pressure particles of air exert on adjacent bodies |
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| ambient static pressure is |
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| equal to the weight of a column of air over a given area |
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| is the total mass of air particles per unit of volume |
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| is a measure of Average Random Kinetic Energy |
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| Air density (increases/decreases) with an increase in altitude |
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| Rate of T change (avg lapse rate) is |
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| 2 deg Cel/ 3.57 deg F per 1000 feet until 36000 feet. |
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| amount of water vapor in the air |
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| as humidity increases, density... |
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| measure of air's resistance to flow and shearing |
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| air viscosity increases with an (increase/decrease) in temp? |
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Local speed of sound is ...
dependent on... |
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| rate at which sound travels through an air mass..... dependent on TEMPERATURE |
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| Standard atmosphere (engineering baseline) |
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| a set of reference conditions giving representative values of air properties as a function of altitude |
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| 3.57 deg F 2 deg C per 1000 ft |
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| local speed of sound UNITS |
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| height above the standard datum plane |
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| actual height above mean sea level |
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| is the altitude in standard atmosphere where the air density is equal to local air density |
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| any device used for flight in air |
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heaveier than air
fixed wing
engine driven
supported by the dynamic reaction of airflow over wings |
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| basic structure of the airplane to which all other compnents are attached |
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| type consists of metal or wooden frame of which a light skin is stretched |
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| extremely light consisists of only a skin shell (easily damaged) |
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| support from skin and frame T34! |
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| airfoil attached to the fuselage designed to produce lift |
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| T34 all bracings are internal so wings are considered... |
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| aft part of fuselage, vertical stabilizer, horizontal stabilizer |
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| point at which all weight is concentrated about and all forces and moments measured from |
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b * c
(wingspan) * (average chord) |
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| reduction in the chord of an airfoil from root to tip |
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| angle between airplanes longitudinal axis and chordline of the wing |
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| dihedral is angle between |
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| spancewise inclination and lateral axis |
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