Changes in energy (AQA GCSE Physics Combined Science): Quizzes

Kinetic, gravitational potential, elastic

Moving objects

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

Kinetic energy doubles

It increases by four times

78.4 J

When it is raised above the ground

$E_p = mgh$

10 N/kg

In a stretched spring

$E_e = \frac{1}{2}ke^2$

Joules (J)