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

Kinetic energy store

Mass and velocity

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

Kilograms (kg)

Metres per second (m/s)

Gravitational potential energy store

Mass, height lifted, gravitational field strength

$Ep = mgh$

9.8 N/kg

Elastic potential energy store

Extension and spring constant

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

Newtons per metre (N/m)

Extension or compression in metres

Newtons per kilogram (N/kg)