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Learning objective

Explain and apply the idea of weight as the influence of a gravitational field on a mass.

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 PhysicsMotion, forces and energySupplement content

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Quick explanation

Explain and apply the idea of weight as the influence of a gravitational field on a mass

  • This point belongs to Mass and weight, especially Mass and weight outcomes.
  • You need to be able to explain and apply the idea of weight as the influence of a gravitational field on a mass.
  • The key ideas to know are Describe and Use.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeUse

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This objective helps connect Mass and weight outcomes to exam-style questions, flashcards, and revision notes for Mass and weight.

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Paper 4 structured question: Mass and weight

Paper 4Theory (Extended)1 marks

Description

Weight on Different Planets

An object has a mass of 20 kg. Calculate its weight on Earth and on Mars, where the gravitational field strength is approximately 3.71 N/kg.

  1. a

    State the formula used to calculate weight.

    Aim for approximately 1 distinct marking point.

    [1]
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