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Learning objective

Calculate the resultant force when two or more forces are applied in the same direction.

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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

Calculate the resultant force when two or more forces are applied in the same direction

  • This point belongs to Effects of forces, especially Effects of forces outcomes.
  • You need to be able to calculate the resultant force when two or more forces are applied in the same direction.
  • The key ideas to know are Determine and Calculate.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DetermineCalculate

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Paper 3 structured question: Effects of forces

Paper 3Theory (Core)2 marks

Description

Resultant Force Calculation

Two forces, 5 N and 15 N, are acting in the same direction. Calculate the resultant force.

  1. a

    Calculate the resultant force of the two forces acting in the same direction.

    Aim for approximately 2 distinct marking points.

    [2]
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