GCSE PHYSICS
EQUATIONS
1
kinetic energy =
×
2
kg
gravitational
= mass ×
potential energy
energy = power ×
J
W
efficiency =
J
N/m
Nm
useful energy out
total energy in
=
useful power out
total power in
charge = current ×
A
ELECTRICITY
A
power =
potential
×
difference
V
power = current2 ×
A
energy = charge ×
C
kg m/s
kg
m/s
distance = speed ×
resistance
Ω
velocity
m
time
m/s
s
current
change in
velocity
= acceleration ×
time
A
m/s
m/s2
s
force = mass ×
resistance
Ω
N
acceleration
m/s2
kg
potential
difference
V
mass = density ×
kg
These are all the equations and units you need
to learn by heart for your GCSE Physics exam!
*Equations in italics are for physics only.
graphic design by @missneutrino, 2020.
kg/m3
volume
m3
wave
= wavelength ×
velocity
m/s
m
OTHER
J
m2
Pa
momentum = mass ×
s
V
m
force = pressure × area
time
potential
= current ×
difference
W
m
N
N
W
extension
moment = force × distance
s
C
m
spring
×
constant
N
ENERGY
time
distance
N
force =
s
N/kg
m
time
W
kg
work done = force ×
gravitational
× height
field strength
N/kg
work done = power ×
J
N
m/s
kg
gravitational field
strength
weight = mass ×
mass × velocity2
J
J
FORCES
frequency
Hz