Derivation of Kepler's third law
What Derivation of Kepler's third law means in Physics A-Level, as defined for OCR.
Definition of Derivation of Kepler's third law
Check what you remember
Read the wording for your board, then hide it and explain Derivation of Kepler's third law in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Combining v = 2πr/T with v² = GM/r leads to T² = 4π²r³/(GM), which is Kepler's third law.
Topics that use Derivation of Kepler's third law
- Planetary motion (OCR A-Level)
Related terms
- Circular orbital motion
- Equal areas in equal times
- Geostationary orbit
- Geosynchronous orbit
- Gravitational force as the centripetal force
- Period–semi-major-axis relationship
- Uses of geostationary satellites
- Elliptical planetary orbits
Using Derivation of Kepler's third law in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Physics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge