friction and lubrication
What friction and lubrication means in Physics GCSE, as defined for AQA.
Definition of friction and lubrication
Check what you remember
Read the wording for your board, then hide it and explain friction and lubrication in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Oil the bearings and less work is done against friction, so a greater proportion of energy is transferred usefully.
Topics that use friction and lubrication
- Energy transfers in a system (AQA GCSE)
Related terms
- comparing insulators
- conduction
- dissipation
- Efficiency
- Lubrication
- rate of cooling
- Rate of energy transfer
- reducing unwanted transfers
Using friction and lubrication in the exam
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