W&B
An imaginary vertical plane from which all horizontal measurements are taken for balance purposes.
Datum
The force that tries to pull and object apart
Tension
The process where the value of one number is added to the value of another.
Addition
This error is an accidental wandering or deviation from accuracy.
Unintentional
The ability of a material to resist deformation
Strength
The horizontal distance from the datum to any point in the aircraft.
Arm
Pores or spaces in a given mass
Porosity
a combination of a whole number and a fraction.
Mixed number
This may be mental or physical in nature, disrupting a procedure...one of a dozen.
Distraction
This refers to contraction and expansion that are reactions produced in metals as the result of heating and cooling
Thermal Expansion
Support equipment used to aid in the weighing of an aircraft subtracted from empty weight.
Tare Weight
The resistance to motion offered by an object sliding over a surface.
Sliding friction
The comparison of two numbers or quantities.
Ratio
Psychological
A group of metals having iron as their principal element
Ferrous Metals
This must happen if an aircraft weight and balance report is lost.
Must be reweighed and new W&B report created.
Circular motion, the inward pull
Centripetal Force
N over 80 equals 15 over 100
12
People, Environment, Action, Resources
PEAR model
This term is used to designate sheets of metal that consist of an aluminum-alloy core coated with a layer of pure aluminum, 5 and a half percent on each side.
Alclad
Airplanes with 20 seats or a max payload of 6,000 pounds or more must be weighed on this periodic basis.
3 years
This French scientist law finds that all gases expand and contract in direct proportion to the change in absolute temperature...provided the pressure is held constant of course.
Charles Law
A four-sided figure with two pairs of parallel sides.
Parallelogram
SHEL model "S"
Software
Used as a static or stationary seals between two flat surfaces
Gaskets