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Learning objective

State that weight acts through the centre of mass of an object.

Read the explanation, check the common trap, then practise with flashcards and questions.

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Topic

Forces and their interactions

Subtopic

Gravity and weight

Aqa Gcse PhysicsForces

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Quick explanation

State that weight acts through the centre of mass of an object

  • This point belongs to Forces and their interactions, especially Gravity and weight.
  • You need to be able to state that weight acts through the centre of mass of an object.
  • The key ideas to know are centre of mass, weight, and mass.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

centre of massweightmass

Why it matters

This objective helps connect Gravity and weight to exam-style questions, flashcards, and revision notes for Forces and their interactions.

Quick student answer

What should you know about weight acts through the centre of mass of an object?

Direct answer

In Physics, this page helps you answer questions about weight acts through the centre of mass of an object within Forces and their interactions. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are Weight and Centre of Mass.

Key terms

  • Weight: The force acting on an object due to gravity, measured in newtons.
  • Centre of Mass: The point in an object where its mass is evenly distributed and where weight acts.

Common trap

Confusing Weight and Mass: Remember that weight is a force measured in newtons and acts through the centre of mass, while mass is a scalar quantity measured in kilograms.

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