Energy 0.0 / 5 ? PhysicsEnergyGCSEAQA Created by: Kiera.thomsonCreated on: 04-12-17 14:39 Energy efficiency equations Useful energy out / total energy in - (for a decimal answer) Or Useful energy out/ total energy in x 100 - (for a percentage answer) Always show energy in J 1 of 16 Energy efficiency total percentage The total efficiency will always be below 100% 2 of 16 Kinetic energy Aka movement energy- the energy in moving objects 3 of 16 Electrical energy Energy in moving charges or static electric charges 4 of 16 Heat energy Aka thermal energy 5 of 16 Elastic potential energy Stored energy in stretched or squashed objects 6 of 16 Light energy Aka radiant energy 7 of 16 Nuclear energy Stored in the nuclei of atoms 8 of 16 Gravitational potential energy Energy stored in raised objects 9 of 16 Internal energy Stored in an thermodynamic system 10 of 16 Chemical energy Stored energy in foods fuel and batteries 11 of 16 Strain energy Released when atoms in a molecule rearrange themselves in a chemical reaction 12 of 16 Sound energy Energy released by vibrating objects 13 of 16 Sankey diagram Summarises all the energy and it's whereabouts. 14 of 16 Conservation of energy Energy that can neither be created or destroyed 15 of 16 Useful energy Energy which is transferred to where it is needed and as the form it is needed. 16 of 16
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