CAIE A-Level Physics A2 13.3.2 G Gm R 2 Topic Practice

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Cambridge International AS & A Level Physics (9702)

12. Motion in a circle

13. Gravitational fields

13.1 Gravitational field

13.2 Gravitational force between point masses

13.3 Gravitational field of a point mass

13.3.1—Derive, from Newton’s law of gravitation and the definition of gravitational

13.3.2—G = GM / r 2

13.3.3—G is approximately constant for small changes in height near the Earth’s

13.4 Gravitational potential

14. Temperature

15. Ideal gases

16. Thermodynamics

17. Oscillations

18. Electric fields

19. Capacitance

20. Magnetic fields

21. Alternating currents

22. Quantum physics

23. Nuclear physics

24. Medical physics

25. Astronomy and cosmology

Practical assessment skills

Mathematical, data, formula and circuit-symbol skills

A-Level/CAIE/Physics//A2/Question Bank/13. Gravitational fields/13.3 Gravitational field of a point mass/13.3.2—G = GM / r 2

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