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ZIMSEC A-Level Physics

2.4Work, Energy and Power

Work, Energy and Power in ZIMSEC A-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic68 practice questions3 lessons

Overview

Form 5.

Learning objectives

What the syllabus expects you to be able to do.

  1. 2.4.1Understand and apply: work, conservation of energy and efficiency.
  2. 2.4.2Understand and apply: gravitational potential energy and kinetic energy.
  3. 2.4.3Understand and apply: power and P = Fv.

Lessons

  • Gravitational potential energy and kinetic energy

    35 min

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  • Power and the equation P = Fv

    35 min

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  • Work done, conservation of energy and efficiency

    35 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 car's speed doubles. By what factor does its kinetic energy increase?

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Turn Work, Energy and Power into a strength.

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