Physics Flashcards
SI Units
In physics, what are the units of length?
metres
m
In physics, what are the units of mass?
kilogram
k
In physics, what are the units of time?
seconds
s
In physics, what are the units of electric current?
ampere
A
In physics, what are the units of temperature?
Degrees Celsius
°C
Kelvin
K
In physics, what are the units of the amount of a substance?
moles
mol
In physics, what are the units of frequency?
hertz
Hz
In physics, what are the units of force?
newtons
N
In physics, what are the units of pressure?
Pascals
Pa
Newtons per metre per metre
N/m²
In physics, what are the units of energy?
joule
J
In physics, what are the units of power?
watt
W
In physics, what are the units of electric charge?
coulomb
C
In physics, what are the units of electric potential (potential difference)?
volt
V
In physics, what are the units of work done?
joule
J
newton-metre
N m
In physics, what are the units of electric resistance?
ohm
Ω
In physics, what are the units of extension?
metre
m
What quantity does metres (m) measure?
length/distance/extension
What quantity does kilogram (kg) measure?
mass
What quantity does second (s) measure?
time
What quantity does ampere (A) measure?
electric current
What quantity does degrees Celsius
(°C) measure?
temperature
What quantity does mole (mol) measure?
amount of substance
What quantity does hertz (Hz) measure?
frequency
What quantity does newtons (N) measure?
force
What quantity does pascal (Pa) measure?
pressure
What quantity does joule (J) measure?
energy
What quantity does watts (W) measure?
power
What quantity does coulomb (C) measure?
electric charge
What quantity does volts (V) measure?
electric potential (potential difference)
What quantity does ohms (Ω) measure?
electric resistance
