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 × gravitational field strength
resultant force
mass × acceleration
power
energy transferred / time
efficiency
useful output energy transfer / total input energy transfer
efficiency
useful power output / total power input
wave speed
frequency × wavelength
charge flow
current × time
potential difference
current × resistance
power
potential difference × current
power
(current)(squared) × resistance
energy transferred
power × time
energy transferred
charge flow × potential difference