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Topic 3: Conservation of energy
Quick questions on Reducing unwanted energy transfer - Edexcel GCSE Physics
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Name one way to reduce unwanted energy transfer in a machine with moving parts. [1 mark]
What is q2?Show answer
State the effect of using thicker walls on the rate of cooling of a building. [1 mark]
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