Glossary Terms Flashcards
Acceleration
Rate of change of velocity with time.
Airfoil
Object which creates lift when air is passed over its surface.
Boyles’s Law
At a constant temperature, the volume of a gas is inversely proportional to the pressure.
Bursting Force
Pressure multiplied by inches2. (Pxin2)
Pressure causing catastrophic weakness, i.e. rips, tears.
Charles’ Law
At a fixed pressure, the volume of a gas is directly proportional to the absolute temperature.
Doppler Effect
Change in wavelength that results when the source producing the waves is moving with respect to the receiver.
Energy
The ability to do work
Force
That which causes acceleration or distortion of a shape.
Inertia
Property of an object that makes it resist change in its velocity.
Kinetic Energy
Energy of motion
Law of Conservation of mass-energy
In any change, the sum of the amount of matter and the amount of energy remains constant.
Law of Conservation of Momentum
For any system, the total momentum (mass x velocity) of all bodies involved remains unchanged.
Law of Gravitation
The gravitational force between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
Lift
A force, created by an airfoil.
Limit Load
The highest load factors that can be expected in normal operational situations.
Longitudinal Waves
Waves in which the oscillation of the moving particles is parallel to the wave direction; for example, sound.
Mass
Amount of matter in a body. A measure of the inertia of an object.
Momentum
Mass of an object multiplied by its velocity.
Motion, Newton’s Laws of –
- A body continues in a state of rest or in a uniform straight line motion unless acted upon by an unbalanced force. (Inertia)
- The change in motion of a body is proportional to the force applied. (F=mA)
- To every action, there is an equal and opposite reaction.
Potential Energy
Energy of position.
Power
Rate at which work is done.
Pressure
Measure of the energy in a volume.
Torsion
Twisting stress.
Ultimate Load
The load causing destructive failure. Usually 1.5 times the limit load.
Weight
Measure of the pull of the force of gravity on a given mass.
Work
Product of a force and the displacement of an object in the direction of the force. (Force x Distance)
