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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

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Paper 3Theory (Core)1 marks

Understanding gravitational field strength.

Description

Gravitational Field Strength

The gravitational field strength on the surface of a planet is influenced by its mass and decreases with distance from the planet's center.

  1. a

    State how gravitational field strength changes with distance from the planet.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: The Solar System

Paper 3Theory (Core)1 marks

Description

Gravitational Field Strength Comparison

Earth has a mass of approximately 5.97 x 10^24 kg and Mars has a mass of about 6.42 x 10^23 kg. The radius of Earth is about 6,371 km and Mars is about 3,389.5 km.

  1. a

    State the relationship between a planet's mass and its gravitational field strength.

    Aim for approximately 1 distinct marking point.

    [1]