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ZIMSEC O-Level Physics

6Work, energy and power

Work, energy and power in ZIMSEC O-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic53 practice questions5 lessons

In this topic

Lessons

  • Work done

    20 min

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  • Energy resources and electricity generation

    30 min

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  • Energy stores, transfers and conservation

    25 min

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  • Kinetic and gravitational potential energy

    20 min

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  • Power

    16 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Work, energy and power: sample question

1 mark

A 60 kg60\ \text{kg} cyclist rides at 5.0 m/s5.0\ \text{m/s}. Calculate her kinetic energy.

Answer in J.

Turn Work, energy and power into a strength.

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