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Cambridge IGCSE Physics practice

Paper 3 structured question: The Solar System

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3

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1

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Topic

The Solar System

Exam-style question

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Paper 3Theory (Core)1 marks

The solar system consists of various celestial bodies, including planets, comets, and asteroids, all of which are influenced by the Sun's gravitational force.

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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Paper 3 structured question: The Solar System

Paper 3Theory (Core)4 marks

Description

Effect of Gravitational Force

The gravitational force exerted by the Sun is crucial for the stability of the solar system. It influences the speed and path of planets and other objects in orbit.

  1. a

    Explain how the gravitational attraction of the Sun affects the motion of planets.

    Aim for approximately 4 distinct marking points.

    [4]