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  3. Physics Edexcel
  5. 7.1.5 Gravity and orbital motion

7.1.5 Gravity and orbital motion

Spec 1PH0

Revise Edexcel GCSE Physics 7.1.5 Gravity and orbital motion with the question bank and revision guides.

Explain for circular orbits how the force of gravity can lead to changing velocity of a planet but unchanged speed. • Explain how, for a stable orbit, the radius must change if orbital speed changes (qualitative only).

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