distance travelled
average speed x time
acceleration
change in velocity / time taken
force
mass x acceleration
weight
mass x gravitational field strength
momentum
mass x velocity
change in gravitational potential energy
mass x gravitational field strength x change in vertical height
kinetic energy
½ x mass x (speed)²
efficiency
useful energy transferred by device / total energy supplied to device
wave speed
frequency x wavelength
wave speed
distance / time
work done
force x distance moved in direction of force
power
work done / time taken
energy transferred
charge moved x potential difference
charge
current x time
power
energy transferred / time
electrical power
current x potential difference
electrical power
(current)² x resistance
density
mass / volume
force exerted on spring
spring constant x extension
(final velocity)² - (initial velocity)²
2 x acceleration x distance
force
change in momentum / time
energy transferred
current x potential difference x time
force on conductor at right angles to magnetic field carrying current
magnetic flux density x current x length
potential difference across primary coil x current in primary coil
potential difference across secondary coil x current in secondary coil
change in thermal energy
mass x specific heat capacity x change in temperature
thermal energy for change of state
mass x specific latent heat
energy transferred in stretching
½ x spring constant x (extension)²
moment of force
force x distance normal to direction of force
pressure
force normal to surface / area of surface
potential difference across primary coil / potential difference across secondary coil
number of turns in primary coil / number of turns in secondary coil
pressure due to column of liquid
height of column x density of liquid x gravitational field strength