AQA GCSE Physics Equations & Formulae (specification 8463 ...

AQA GCSE Physics ? Equations & Formulae (specification 8463 & 8464)

Unit 1: Energy

Unit 3: Particle Model of Matter

Unit 5: Forces

Equations to Learn

kinetic energy = 1 ? mass ? speed2 2

EK

=

1 2

mv2

GPE = mass ? gravitational field strength ? height =

work done energy transferred power = time taken = time taken

useful energy output efficiency =

total energy input useful power output efficiency = total power input

= =

Equations given in the exam

elastic potential energy = 0.5 ? spring constant x (extension)2

=

1 2

2

change in thermal energy = mass ? specific heat capacity ? temperature change

=

Unit 2: Electricity

Equations to Learn

charge flow = current ? time

=

potential difference = current ? resistance

=

total resistance = resistance of component 1 + resistance of component 2

power = current ? potential difference

= 1 + 2

=

power = (current)2 ? resistance

= 2

energy transferred = power ? time

energy transferred = charge flow ? potential difference

= =

* Higher tier only ^ Separate Physics only

Equations to Learn mass

density = volume

=

Equations given in the exam

change in thermal energy = mass ? specific heat capacity ? temperature change

thermal energy for a change in state = mass ? specific latent heat

^ for a gas: pressure ? volume = constant

=

= =

Unit 6: Waves

Equations to Learn

wave speed = frequency wavelength

Equations given in the exam 1

time period = frequency image height

^ magnification = object height

=

1 =

=

Unit 7: Magnetism and Electromagnetism

Equations given in the exam

* Force = magnetic flux density current length of conductor in magnetic field

potential difference across primary coil

=

potential difference across secondary coil

number of turns in primary coil

number of turns in secondary coil

* ^ p.d across primary current in primary = p.d. across secondary x current in secondary

=

=

=

Equations to Learn

weight = mass ? gravitational field strength

=

work done = force ? distance (moved along the line of action of the force)

=

force = spring constant extension

=

moment of a force = force distance (perpendicular to the direction of the force)

force normal to a surface pressure =

area of that surface

=

=

distance travelled = speed time

=

change in velocity acceleration =

time taken

final velocity-initial velocity

=

time taken

resultant force = mass acceleration

=

- =

=

* momentum = mass velocity

=

Equations given in the exam

* ^ Pressure = height of column density of liquid gravitational field strength

^ (final velocity)2 ? (initial velocity)2 = 2 acceleration distance

change in momentum

* ^ Force =

time taken

=

2 - 2 = 2

=

Unit 4: Atomic Structure & Unit 8: Space

There are no equations in these sections of the course

 ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download