Power (P)

Energy Transferred (E)

Time (t)

Power = Energy Transferred / Time P = E / t Watts = Joules / Seconds

Potential Difference (V)

Current (I)

Resistance (R)

Potential Difference = Current x Resistance

V = I x R

Volts = Amps x Ohms

Energy (E)

Charge (Q)

Potential Difference (V)

Energy = Charge x Potential Difference E = Q x V Joules = Coulombs x Volts

Power (P)

Current (I)

Resistance (R)

Power = Current² x Resistance P = I² X r Watts = Amps² x Ohms

Force (F)

Spring Constant (k)

Extension (e)

Force = Spring Constant x Extension F = k x e Newtons = Newtons/Metre x Metres

Force (F)

Spring Constant (k)

Extension (e)

F = k x e Force = Spring Constant x Extension Newtons = Kilograms/Seconds² x Metres

Force (F)

Mass (m)

Acceleration (a)

Force = Mass x Acceleration F = m x a Newtons = Kilograms x metres/second²

Work Done (W)

Force (F)

Distance (s)

Work Done = Force x Distance

W = F x s

Joules = Newtons x Metres

Power (P)

Potential Difference (V)

Current (I)

Power = Potential Difference x Current P = V x I Watts = Volts x Amps

Kinetic Energy (Ek)

Mass (m)

Velocity (v)

Kinetic Energy = 1/2 x Mass x Velocity²

Ek = 1/2 x m x v²

Joules = 1/2 x Kilograms x Metres/Second²

Accelaration (a)

Velocity (v)

Time (t)

Acceleration = Final Velocity - Initial Velocity / Time a = v - u / t Metres/Second² = Change in Metres/Second / Seconds

Momentum (p)

Mass (m)

Velocity (v)

Momentum = Mass x Velocity

p = m x v

Kilogram Metres/Second = Kilograms x Metres/Second

Pressure (p)

Force (F)

Area (A)

Pressure = Force / Area p = F / A Pascal = Joules / Metres²

Velocity (v)

Frequency (f)

Wavelength (λ)

Velocity = Frequency x Wavelength v = f x λ Metres/Second = Hertz x Metres

Charge (Q)

Current (I)

Time (t)

Charge = Current x Time Q = I x t Coulombs = Amps x Seconds

Density (p)

Mass (m)

Volume (V)

Density = Mass / Volume p = m / V Kilograms/Metres³ = Kilograms / Metres³

Weight (W)

Mass (m)

Gravitational Field Strenght (g)

Weight = Mass x Gravitational Field Strength W = m x g Newtons = Kilograms x Newtons/Kilogram

Distance (s)

Speed (v)

Time (t)

Distance = Speed x Time s = v x t Metres = Metres/Second x Seconds