GCSE Combined Science: Trilogy (8464) and GCSE Combined Science ... - AQA

Physics Equations Sheet

GCSE Combined Science: Trilogy (8464) and GCSE Combined Science: Synergy

(8465)

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

energy transferred

power =

time

work done power = time

useful output energy transfer efficiency = total input energy transfer

useful power output efficiency = total power input

charge flow = current ? time

potential difference = current ? resistance

power = potential difference ? current

power = (current)2 ? resistance

energy transferred = power ? time

k

=

1 2

2

e

=

1 2

k

e2

p = m g h

E = m c

E P= t

W P= t

Q= I t V= I R P= V I P = I2 R E= P t

Physics Equations Sheet ? GCSE Combined Science: Trilogy (8464) and GCSE Combined Science: Synergy (8465) FOR USE IN JUNE 2022 ONLY

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energy transferred = charge flow ? potential difference

E= Q V

HT

potential difference across primary coil ? current in primary coil = potential difference across secondary coil ? current in secondary coil

mass density = volume

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

Vp Ip = Vs Is m

= V E= m L

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

distance travelled = speed ? time change in velocity

acceleration = time taken (final velocity)2 ? (initial velocity)2 = 2 ? acceleration ? distance

s = v t v

a= t v2 ? u2 = 2 a s

resultant force = mass ? acceleration

HT

momentum = mass ? velocity

1 period = frequency

wave speed = frequency ? wavelength

HT

force on a conductor (at right angles to a magnetic field) carrying a current = magnetic flux density ? current ? length

F= m a p= m v

1 T= f v=f

F= B I l

Physics Equations Sheet GCSE Combined Science: Trilogy (8464) and GCSE Combined Science: Synergy (8465) FOR USE IN JUNE 2022 ONLY

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