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AS 1 Forces, Energy and Electricity
Quick questions on Work, energy and power: conservation of energy and efficiency - CCEA A-Level Physics
3short 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
A motor lifts a load through in . Calculate the useful output power. Take .
What is q2?Show answer
State the principle of conservation of energy. [1 mark]
What is q3?Show answer
A ball is dropped from rest at a height of . Using energy conservation, find its speed just before it lands. Take .
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