AshPhys
← A Level (Cambridge 9702) curriculum

Coursebook 17.2 (9702 A Level) · Gravitational fields

17.2Field strength of a point mass

Syllabus section: Gravitational field strength g

Derive g = GM/r² from Newton’s law of gravitation, and explain why g is approximately constant close to the Earth’s surface.

Also in:IBD.1

Revision cheat sheet

Gravitational fields: printable summary9702 A Level Ch.17 · definitions, equations, diagrams, worked example, quick recallOpen sheet →

Video lessons

There are no video lessons for this lesson yet.

Interactive simulation

There’s no simulation for this lesson yet.

Practice questions – A Level (Cambridge 9702)

9 A Level questions, written for this syllabus. Get 5 right in a row to master the lesson.

🎯 Start practice

Filed under Chapter 17 · Gravitational fields