Select from the frequently asked questions below
- Kinetic energy is the energy due to motion.
- Potential energy is energy stored in matter and released during a chemical reaction.
- The joule (J) is the SI unit of energy and equals kg • m2/s2.
- The calorie (cal), which is equivalent to 4.184 J, is the most common unit used to measure energy in the UK.
- It is the same SI unit as the kilogram, which is equal to 1,000,000 J.