Quick questions on Work, energy and power: the work-energy principle - Edexcel A-Level Further Maths

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?

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A car engine works at

12\,000\,\text{W}

, driving the car at

20\,\text{m s}^{-1}

. Find the driving force. [2 marks]

What is q2?

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Find the kinetic energy of a

3\,\text{kg}

mass moving at

4\,\text{m s}^{-1}

. [1 mark]

What is q3?

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1\,\text{kg}

ball is dropped from

5\,\text{m}

. Use energy conservation to find its speed on landing (ignore air resistance,

g = 9.8

). [2 marks]

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