SI Units Flashcards
what does the multiplier m mean
one thousandth
m = milli
1/1000
0.001
what does the multiplier k mean
one thousand
k = kilo
1000
scientific notation of m
10 to the power of -3
scientific notation of k
10 to the power of 3
7 base units
length -m
mass - kg
time - s
electric current - A
temp - K
amount of substance - mol
luminous intensity - cd
what does a jump of a power of 3 indicate
factor of 1000
SI prefix of 10 to the power of 1
deca
SI prefix of 10 to the power of 3
kilo
SI prefix of 10 to the power of 6
mega
SI prefix of 10 to the power of 9
giga
SI prefix of 10 to the power of 12
tera
SI prefix of 10 to the power of -1
deci
SI prefix of 10 to the power of -2
centi
SI prefix of 10 to the power of -3
milli
SI prefix of 10 to the power of -6
micro
SI prefix of 10 to the power of -9
nano
SI prefix of 10 to the power of -12
pico
what are the 3 components of an SI unit
prefix
unit symbol
exponent
whats a derived SI unit
a combination of thw SI base units
newton and joule are what type of units
derived
whats a vector quantity
direction and magnitude
whats a scalar quantity
only magnitude
how do you convert between different units
multiply or divide by conversion factor
whats the BDSM rule when converting between units
to convert to a bigger unit - divide by the conversion factor
to convert to a smaller unit - multiply by the conversion fatctor
