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Learning objective

Recognize that friction (drag) acts on objects moving through gases, such as air resistance.

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 energyCore content

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Quick explanation

Recognize that friction (drag) acts on objects moving through gases, such as air resistance

  • This point belongs to Effects of forces, especially Effects of forces outcomes.
  • You need to be able to recognize that friction (drag) acts on objects moving through gases, such as air resistance.
  • The key ideas to know are Know and State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

KnowState

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This objective helps connect Effects of forces outcomes to exam-style questions, flashcards, and revision notes for Effects of forces.

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Paper 3 structured question: Effects of forces

Paper 3Theory (Core)1 marks

Description

Effects of Drag

An object is moving through the air at a high speed. As it moves, it experiences a force that opposes its motion due to the air.

  1. a

    State the force that opposes the motion of the object due to air.

    Aim for approximately 1 distinct marking point.

    [1]
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