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Learning objective

Understand that gravitational field strength is the same as the acceleration experienced by an object in free fall.

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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

Understand that gravitational field strength is the same as the acceleration experienced by an object in free fall

  • This point belongs to Mass and weight, especially Mass and weight outcomes.
  • You need to be able to understand that gravitational field strength is the same as the acceleration experienced by an object in free fall.
  • The key ideas to know are State and Explain.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

StateExplain

Why it matters

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)2 marks

Description

Gravitational Field Strength

An object is dropped from a height of 20 meters. Calculate the time it takes to reach the ground, assuming no air resistance.

  1. a

    Calculate the time taken for the object to fall to the ground.

    Aim for approximately 2 distinct marking points.

    [2]
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Cambridge IGCSECombined Science resources