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Learning objective

Understand that the gravitational attraction of the Sun is the force that keeps objects in orbit around it.

Read the explanation, check the common trap, then practise with flashcards and questions.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE PhysicsSpace physicsCore content

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Quick explanation

Understand that the gravitational attraction of the Sun is the force that keeps objects in orbit around it

  • This point belongs to The Solar System, especially The Solar System outcomes.
  • You need to be able to understand that the gravitational attraction of the Sun is the force that keeps objects in orbit around it.
  • The key ideas to know are Know and Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

KnowExplain

Why it matters

This objective helps connect The Solar System outcomes to exam-style questions, flashcards, and revision notes for The Solar System.

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Paper 3 structured question: The Solar System

Paper 3Theory (Core)1 marks

Description

Gravitational Influence in the Solar System

The Sun's gravitational force is the primary force that keeps all objects in orbit around it, including planets and comets. This force is responsible for the elliptical paths that these objects follow as they move through space.

  1. a

    State the force that keeps planets in orbit around the Sun.

    Aim for approximately 1 distinct marking point.

    [1]
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