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Define acceleration for an object moving in a straight line as the change in speed over time; recall and apply the formula a = Δv/Δt.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE Combined ScienceMotion, forces and energySupplement content

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Quick explanation

Define acceleration for an object moving in a straight line as the change in speed over time; recall and apply the formula a = Δv/Δt

  • This point belongs to Motion, especially Motion outcomes.
  • You need to be able to define acceleration for an object moving in a straight line as the change in speed over time; recall and apply the formula a = Δv/Δt.
  • The key ideas to know are Define and Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DefineExplain

Why it matters

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

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Paper 4 structured question: Motion

Paper 4Theory (Extended)2 marks

Description

Car Acceleration

The car starts from rest and reaches a speed of 30 m/s in 10 seconds.

  1. a

    Calculate the acceleration of the car.

    Aim for approximately 2 distinct marking points.

    [2]
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Cambridge IGCSECombined Science resources