Edexcel GCSE Physics · 1PH0
Specification 3.12 · Paper 1
Revise: Increasing EfficiencyLubrication can also reduce wear, helping the machine continue to operate effectively.
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GCSE Physics · key term
The use of a substance such as oil or grease between moving surfaces to reduce friction.
Used by Edexcel and OCR
Specification 3.12 · Paper 1
Revise: Increasing EfficiencyLubrication can also reduce wear, helping the machine continue to operate effectively.
Specification P7.2f · Paper 2 (Foundation), Paper 4 (Higher)
Revise: Reducing unwanted transferLubrication reduces the unwanted transfer; it does not make friction or energy transfer vanish altogether.
Name both the unwanted transfer and how the method reduces it: for example, lubrication reduces friction, so less energy is transferred to thermal stores.
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