KE, GPE & EPE (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards

When it is moving

Mass and velocity

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

Lifted in a gravitational field

Mass, height, and gravitational field strength

9.8 N/kg

$Ep = mgh$

Stretched or squashed

Extension and spring constant

Newtons per metre (N/m)

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

$Ek$

$Ep$