Power and efficiency

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• 8 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. Force, work and energy
2. Power and efficiency
3. Torque
4. Motion and inertia
5. Friction
6. Power transmitters and hand tools