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Quiz yourself on OrbitsGet your flashcardsBuild my revision planTrack my progress🎯 Exam Focus: Orbits
Orbits is Physics only (separate science) content on all four boards.
Examined in Edexcel 1PH0/1 (Paper 1). Context-based questions use real satellite data and mission scenarios. The links between orbital speed, radius and period are qualitative only: for a stable orbit the radius must change if the orbital speed changes. "Suggest" questions appear for novel orbital scenarios.
What examiners love to ask:
- Explain how gravity keeps objects in orbit
- Compare circular and elliptical orbits (speed and force variation)
- Explain how, for a stable orbit, the radius must change if the orbital speed changes (qualitative only)
- Describe geostationary vs low Earth orbit — uses and differences
- Explain why closer orbits require faster speeds
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