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Energy stores and pathways

Energy stores and pathways

Energy transfer diagram of a battery-powered motor lifting a load, showing the battery's chemical store decreasing, electrical working to the motor, the load's gravitational potential energy store increasing, and unwanted heating and sound to the surroundings

Energy is measured in joules, written JJJ. In the store model, energy is not created or destroyed; it is transferred between stores in a system.

3.1 Energy stores and calculations Lesson

  1. GCSE
  2. /Physics
  3. /3.1 Energy stores and calculations

Step-by-step lessons on Edexcel GCSE Physics 3.1 Energy stores and calculations, covering 3.1.1 Gravitational potential energy, 3.1.2 Kinetic energy, and 3.1.3 Energy transfers and conservation of energy. Each one builds up to exam-style questions. Master the required practical work and core equations early, since both papers can draw on content and maths skills from across the whole specification.

Lessons