density
mass / volume
distance travelled
speed x time
acceleration
change in velocity / time
kinetic energy
0.5 x mass x velocity(square)
force
mass x acceleration
momentum
mass x velocity
work done
force x distance moved
power
work done / time
force exerted by a spring
spring constant x extension
gravity force
mass x gravitational field strength
potential energy
mass x height x gravitational field strength
weight
mass Ă— gravitational field strength
resultant force
mass Ă— acceleration
power
energy transferred / time
efficiency
useful output energy transfer / total input energy transfer
efficiency
useful power output / total power input
wave speed
frequency Ă— wavelength
charge flow
current Ă— time
potential difference
current Ă— resistance
power
potential difference Ă— current
power
(current)(squared) Ă— resistance
energy transferred
power Ă— time
energy transferred
charge flow Ă— potential difference