Units Flashcards
da
Deca
10^1
h
hecto
10^2
k
kilo
10^3
what are the base SI units?
m = meter kg = kilogram s = second A = ampere K = kelvin = 273.15 celcius mol = mole
M
mega
10^6
G
Giga
10^9
T
Tera
10^12
P
peta
10^15
E
Exa
10^18
Z
Zetta
10^21
Y
Yotta
10^24
d
Deci
10^-1
c
centi
10^-2
m
milli
10^-3
µ
micro
10^-6
n
nano
10^-9
p
pico
10^-12
Scientific notation
number only in the 10th place x 10^n power
if you move the decimal to the LEFT, n INCREASES by the number of places
if you move to the RIGHT, n DECREASES by the number of places
when you multiply exponents, you ADD. when you divide, you SUBTRACT denom from num.
Hz
Hertz
frequency
s^-1
N
Newton
force
kg * m * s^-2
Pa
Pascal
pressure
N/m^2
kg*m^-1 *s^-2
J
joule
energy, work, heat
N * m
kgm^2s^-2
W
power
j/s
kgm^2s^-3
C
coulomb
s*A
V
Volt
voltage
W/A
kgm^2s^-3*A^-1
F
Farad
electric capacitance
C/V
kg^-1m^-2s^4*A^2
Ω
Ohm
electric resistance
V/A
kgm^2s^-2*A^-2
Wb
Weber
magnetic flux
Wb/m^2
kgs^-2A^-1
T
tesla
magnetic field strength
Wb/m^2
kgs^-2A^-1
H
Henry
INductance
Wb/A
kgm^2s^-2*A^-1
Bq
Becquerel
Radioactivity
s^-1
Gy
Gray
absorbed dose of ionizing radiation
J/kg
m^2/s^-2
Sv
Sievert Sv equivalent dose of ionizing radiation J/kg m^2/s^-2
Vectors
incorporate both magnitude and distance
Scalars
refer only to magnitude
