Physics · Theme A: Space, time and motion

A.3 — Work, energy and power

Physics · SL / HL · syllabus-mapped notes

1. Work and the conservation of energy

   Conservation of energy, work as energy transfer, Sankey diagrams, and W = Fs cos θ.

2. Mechanical energy

   Kinetic, gravitational potential and elastic potential energy, and conservation of mechanical energy.

3. Power, efficiency and energy density

   Power as the rate of energy transfer, efficiency, and the energy density of fuel sources.