Physics Equations Sheet
Physics Equations Sheet GCSE Physics (8463)
FOR USE IN JUNE 2022 ONLY
HT = Higher Tier only equations
kinetic energy = 0.5 ? mass ? (speed)2 elastic potential energy = 0.5 ? spring constant ? (extension)2
gravitational potential energy = mass ? gravitational field strength ? height
change in thermal energy = mass ? specific heat capacity ? temperature change
power
=
energy transferred time
power
=
work done time
efficiency
=
useful output energy transfer total input energy transfer
efficiency
=
useful power output total power input
charge flow = current ? time
potential difference = current ? resistance
power = potential difference ? current
power = (current)2 ? resistance
energy transferred = power ? time
energy transferred = charge flow ? potential difference
density =
mass volume
k
1 2
2
e
1 2
k
e2
p = m g h
E = m c
P =
E t
P =
W t
Q= I t
V= I R
P= V I
P = I2 R
E= P t
E= Q V
=
m V
Physics Equations Sheet - GCSE Physics (8463) FOR USE IN JUNE 2022 ONLY
Turn over
thermal energy for a change of state = mass ? specific latent heat
E= m L
For gases: pressure ? volume = constant
p V = constant
weight = mass ? gravitational field strength
W= m g
work done = force ? distance (along the line of action of the force)
W= F s
force = spring constant ? extension
F= k e
moment of a force = force ? distance (normal to direction of force)
pressure
=
force normal to a surface area of that surface
HT
pressure due to a column of liquid = height of column ? density of liquid ? gravitational field strength
M = F d
p =
F A
p= h g
distance travelled = speed ? time
acceleration
=
change in velocity time taken
(final velocity)2 ? (initial velocity)2 = 2 ? acceleration ? distance
s = v t
a =
v t
v2 ? u2 = 2 a s
resultant force = mass ? acceleration
F= m a
HT
momentum = mass ? velocity
HT
force
=
change in time
momentum taken
period
=
1 frequency
wave speed = frequency ? wavelength
p= m v
F
=
m v t
T =
1 f
v=f
magnification
=
image object
height height
HT
force on a conductor (at right angles to a magnetic field) carrying a current = magnetic flux density ? current ? length
HT
potential difference across primary coil potential difference across secondary coil
=
number of turns in primary coil number of turns in secondary coil
HT
potential difference across primary coil ? current in primary coil = potential difference across secondary coil ? current in secondary coil
F= B I l
Vp Vs
=
np ns
Vp Ip = Vs Is
Physics Equations Sheet - GCSE Physics (8463) FOR USE IN JUNE 2022 ONLY
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