Physics A-Level
absolute motion
What absolute motion means in Physics A-Level, as defined for AQA.
Definitions of absolute motion
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Reference: AQA
Motion relative to an aether filling space, which provides a preferred frame against which such motion could be measured.
Motion relative to an absolute frame, which such experiments showed cannot be detected.
Topics that use absolute motion
- The Michelson-Morley experiment (A-level only) (AQA A-Level)
Related terms
- Classical Galilean velocity addition
- Interference fringes
- Interferometer
- Invariance of the speed of light
- Michelson-Morley experiment
- null result
- Part-silvered mirror
- Phase difference
Using absolute motion in the exam
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