AQA GCSE Physics Equations & Formulae (specification 8463 ...
AQA GCSE Physics ¨C Equations & Formulae (specification 8463 & 8464)
Unit 1: Energy
Unit 3: Particle Model of Matter
Unit 5: Forces
Equations to Learn
Equations to Learn
Equations to Learn
kinetic energy =
1
¡Á mass ¡Á speed2
2
EK =
1
mv 2
2
density =
mass
volume
?=
?
?
GPE = mass ¡Á gravitational field strength ¡Á height ?? = ???
Equations given in the exam
work done
energy transferred
=
time taken
time taken
useful energy output
efficiency =
total energy input
useful power output
efficiency =
total power input
change in thermal energy = mass ¡Á
specific heat capacity ¡Á temperature change
?? = ????
thermal energy for a change in state =
mass ¡Á specific latent heat
? = ??
power =
?=
? ?
=
?
?
^ for a gas: pressure ¡Á volume = constant
1
elastic potential energy = 0.5 ¡Á spring constant x
?? = ?? 2
(extension)2
2
change in thermal energy = mass ¡Á
?? = ????
specific heat capacity ¡Á temperature change
Unit 6: Waves
1
frequency
image height
^ magnification =
object height
time period =
Equations to Learn
charge flow = current ¡Á time
?=??
potential difference = current ¡Á resistance
?=??
total resistance = resistance of component 1 +
resistance of component 2
??
= ?1 + ?2
power = current ¡Á potential difference
?=??
?=??
final velocity-initial velocity
time taken
? = ??
?=
?
?
? = ??
?=
=
¦¤?
?
???
?
resultant force = mass ? acceleration
? = ??
* momentum = mass ? velocity
? = ??
Equations given in the exam
Unit 7: Magnetism and Electromagnetism
?=???
Equations given in the exam
^ (final velocity)2 ¨C (initial velocity)2 =
2 ? acceleration ? distance
? 2 ? ?2
= 2??
power = (current) ¡Á resistance
?= ? ?
energy transferred = power ¡Á time
? = ??
?
energy transferred = charge flow ¡Á
potential difference
? = ??
2
1
?
??????
?=
???????
?=
=
change in velocity
time taken
? = ??
* ^ Pressure = height of column ? density of
liquid ? gravitational field strength
* Force = magnetic flux density ? current ?
length of conductor in magnetic field
^ Separate Physics only
moment of a force = force ? distance
(perpendicular to the direction of the force)
force normal to a surface
pressure =
area of that surface
acceleration =
Equations given in the exam
Unit 2: Electricity
* Higher tier only
force = spring constant ? extension
Equations to Learn
wave speed = frequency ? wavelength
? =??
work done = force ¡Á distance
? = ??
(moved along the line of action of the force)
distance travelled = speed ? time
Equations given in the exam
2
??
= ????????
weight = mass ¡Á gravitational field strength
change in momentum
time taken
? = ???
* ^ Force =
potential difference across primary coil
=
potential difference across secondary coil
number of turns in primary coil
number of turns in secondary coil
??
??
=
??
??
Unit 4: Atomic Structure & Unit 8: Space
* ^ p.d across primary ? current in primary =
p.d. across secondary x current in secondary
?=
? ¦¤?
?
There are no equations in these sections of the course
?? ?? = ?? ??
................
................
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