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A6.1 - Work, Energy and Power

⭐ +200 XP
  • ✓define work and power
  • ✓define the units joule (J) and watt (W)
  • ✓calculate the work done by a force or machine
  • ✓calculate the power output of a machine or person
⏱ 0 mins🎯 40 marks
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In everyday language, we say we are doing work when we feel tired. In Physics, however, work is only done when a force causes movement. Understanding this difference helps us correctly apply formulas in examinations.
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How confident are you about work, energy and power right now?

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Predict: which statement do you think best describes work?

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Did you understand work, energy and power after this lesson?

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What was your favourite part of the lesson?

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In everyday language, we say we are doing work when we feel tired. In Physics, however, work is only done when a force causes movement. Understanding this difference helps us correctly apply formulas in examinations.
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