KE, GPE & EPE (AQA GCSE Physics): Flashcards

Kinetic energy store

Mass and velocity

$Ek = \frac{1}{2}mv^2$

Kilograms (kg)

Metres per second (m/s)

Gravitational potential energy

Mass, height, and gravitational field strength

$Ep = mgh$

Approximately 9.8 N/kg

Newtons per kilogram (N/kg)

Elastic potential energy

Extension and spring constant

$Ee = \frac{1}{2}kx^2$

Newtons per metre (N/m)

Metres (m)