A-Level Physics Formula List
Below is a list of the essential formulae not provided to students during A-Level
physics examinations.
speed
distance
time
= s d
t
=
force mass acceleration= × F ma=
acceleration
change in velocity
time taken
= a v
t
= ∆
density
mass
volume
= ρ = m
V
momentum mass velocity= × ρ = mv
work done force distance moved in
direction of force
= × W F s=
power
energy transferred
time taken
work done
time taken
= = P W
t
=
weight mass gavitational field strength= × W mg=
kinetic energy mass velocity= × ×1 2 2 E mvk = 1 2 2
change in potential mass gravitational field change in
energy strength height
= × × ∆ ∆E mg hp =
pressure
force
area
= p F
A
=
pressure volume number of molar gas absolute
moles constant temperature
× = × × pV n RT=
charge current time= × q I t=
potential difference current resistance= × V I R=
electrical power potential difference current= × P V I=
potential difference
energy transferred
charge
= V W
q
=
resistance
resitivity length
cross sectional area
= ×− R
l
A
= ρ
energy potential difference current time= × × E V I t=
wave speed frequency wavelength= × v f= λ
centripetal force
mass velocity
radius
= ×
2
F
mv
r
=
2
capacitance
charge stored
potential difference
=
C
q
V
=
voltageacrosscoil
voltageacrosscoil
number turnscoil
number turnscoil
1
2
1
2
= V
V
N
N
1
2
1
2
=
electrostatic force k
q q
r
= 1 22
gravitational force
Gm m
r
= 1 22
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