Key term for Edexcel GCSE Physics, used in Lubrication.
The process by which energy is transferred to a non-useful store (typically the thermal store of the surroundings) and spreads out, making it unrecoverable.
Dissipation appears in Edexcel GCSE Physics revision content for Forces and their effects, especially Lubrication and Lubrication.
Forces and their effects
Lubrication • Lubrication
Energy – forces doing work
Work, GPE and KE Equations • Dissipation of Energy
Energy – forces doing work
Work and Energy Transfers • Work Done and Energy Transferred
Energy – forces doing work
Work and Energy Transfers • Ways of Changing Energy
Energy – forces doing work
Work and Energy Transfers • Energy Changes in Systems
Conservation of energy
Conservation and Dissipation • Reducing Unwanted Energy Transfer
Conservation of energy
Conservation and Dissipation • Wasteful Mechanical Processes
Electromagnetic induction
Transformers and the Grid • National Grid Efficiency
Electricity and circuits
Mains Electricity • Domestic Energy Transfers
Electricity and circuits
Heating Effect and Energy • Collision Theory of Resistance
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