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Learning objective

Explain solid friction as the force that opposes motion between two surfaces and can generate heat.

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  • Practise with linked questions.
Cambridge IGCSE PhysicsMotion, forces and energyCore content

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Quick explanation

Explain solid friction as the force that opposes motion between two surfaces and can generate heat

  • This point belongs to Effects of forces, especially Effects of forces outcomes.
  • You need to be able to explain solid friction as the force that opposes motion between two surfaces and can generate heat.
  • The key ideas to know are Describe and Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeExplain

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Paper 3 structured question: Effects of forces

Paper 3Theory (Core)1 marks

Description

Friction in Daily Activities

Friction is a force that plays a crucial role in our daily activities, such as walking, driving, and holding objects. It can generate heat and is influenced by the surfaces in contact.

  1. a

    State the effect of friction on motion.

    Aim for approximately 1 distinct marking point.

    [1]
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