Power and Efficiency
Physics · JC 1 · Work, Energy and Power · 3.º Período

Power and Efficiency

Understanding power as the rate of work done and evaluating the efficiency of energy conversions. Students analyse the performance and energy losses of mechanical systems.

MOE Syllabus Outcomes8866 5.h (define power as work done per unit time)8866 5.j (show an appreciation for the implications of energy losses in practical devices)

About This Topic

Understanding power as the rate of work done and evaluating the efficiency of energy conversions. Students analyse the performance and energy losses of mechanical systems.

Key Questions

  1. What is the definition of power in mechanical systems?
  2. How do we calculate the efficiency of an energy transfer process?
  3. Why are real-world machines never 100% efficient?

Planning templates for Physics

Lesson Plan

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