Charge
Current x time
Moment
Force x perpendicular distance
Voltage
Current x resistance
Electrical power
Voltage x current
Wave speed
Frequency x wavelength
Voltage and turns
Input voltage/ output voltage = input turns/output turns
Efficiency
Total energy output
Pressure difference
Height x density x gravity
Input power
Output power
Voltage and current
Primary current x primary voltage
= secondary current x secondary voltage
Speed
Time
Force
Mass x acceleration
Acceleration
Time taken
Momentum
Mass x velocity
Density
Volume
Work done
Force x distance moved
Kinetic energy
1/2 x mass x speed^2
Gravitational potential
Mass x gravity x height
Weight
Mass x gravitational field strength
Pressure
Area