OCR GCSE Physics A · J249
Specification P7.1b · Paper 2 (Foundation), Paper 4 (Higher)
Revise: Energy store changesIf it hits a wall and is squashed, some energy is stored briefly in the elastic potential store of the deformed object. If it springs back, some of that energy returns to its kinetic store. The collision can also warm the object and wall, and send energy away in sound.