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Cambridge International AS & A Level Physics (9702)

1. Physical quantities and units

4. Forces, density and pressure

5. Work, energy and power

5.1 Energy conservation

5.1.1—The concept of work, and recall and use work done = force × displacement in

5.1.2—The principle of conservation of energy

5.1.3—That the efficiency of a system is the ratio of useful energy output

5.1.4—The concept of efficiency to solve problems

5.1.5—Power as work done per unit time

5.1.6—P = W / t

5.1.7—P = Fv and use it to solve problems

5.2 Gravitational potential energy and kinetic energy

6. Deformation of solids

8. Superposition

10. D.C. circuits

11. Particle physics

Practical assessment skills

Mathematical, data, formula and circuit-symbol skills

A-Level/CAIE/Physics//AS/Concept/5. Work, energy and power/5.1 Energy conservation/5.1.3—That the efficiency of a system is the ratio of useful energy output

5. Work, energy and power

Syllabus: 9702–2028–2029
Section: 5
Level: AS

Exam analysis

Most tested topics

Energy conservation
Gravitational potential energy and kinetic energy