Mass of the central body determining orbital speed
What Mass of the central body determining orbital speed means in Physics A-Level, as defined for OCR.
Definition of Mass of the central body determining orbital speed
Check what you remember
Read the wording for your board, then hide it and explain Mass of the central body determining orbital speed in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
In v² = GM/r the planet's mass cancels, leaving the Sun's mass M.
Topics that use Mass of the central body determining orbital speed
- 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
- Derivation of Kepler's third law
Using Mass of the central body determining orbital speed 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