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26 Cards in this Set
- Front
- Back
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what is aspect ratio |
ratio between the chord and the span |
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what is relative humidity |
the % of complete saturation of the atmospere |
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what is absolute humidity |
actual content of the water vapor in a volume of gas |
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the transmission of heat through a fluid is the definiton of what |
convection |
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what is the standard unit of mass in the metric system |
kilograms |
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what most be true for work to occur |
effort over movement |
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when molecules of unlike substances attract its called |
adhesion |
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elements that exists in two or more forms and differ because the number of nuetrons in the nucleus is what |
an isotope |
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an atom that has fewer electrons than protons is what |
positive ion |
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ionic bonding is |
when an electron is transferred to another atom |
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what is covalent bonding |
sharing electrons |
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what are the two classes of solids |
amorphous and crystalline |
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the volume of a dry gas is inversely propertional to its pressure provided that temperature is held constant |
boileys |
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the number of protons of every atom of any element provides what identifying property |
atomic number |
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what is pascals law |
fluid hydraulics |
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how do u charge an object by conduction |
touch |
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how do u charge an object my induction |
static |
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magnetic fluxlines flow |
north to south, complete loops, and never touch |
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what is the conduction called when all the domains inside a magnet are on alignment |
saturation |
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the ability to of material to retain a magnetic field after the magnetizing force had been removed |
retantivity |
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how do u determine if a substance is is ferromagnetic, paramagnetic or diamagnetic |
permability. attraction to magnetic field. |
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a object that can retain a magnetic field for a long time |
permanent magnet |
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definiton of power |
work done of amount of time |
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what three objects respond to a magnetic field |
iron cobold and nickle |
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sound needs what three things to occur |
source, meduim, detector. |
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five stesses |
compressiom, tension, shearing, torsion, and |
