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EnglandCombined ScienceQuick questions
Topic 8: Energy - forces doing work
Quick questions on Work, power and efficiency - Edexcel GCSE Combined Science
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
State the equation for work done. [1 mark]
What is q2?Show answer
A motor supplies and does of useful work. Calculate its efficiency. [2 marks]
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