The Moment Equation

Part of Moments & Levers · Section 4 of 14

Key FactsUnit: ForcesGCSE

This key facts covers The Moment Equation within Moments & Levers for GCSE Physics. Revise Moments & Levers in Forces for GCSE Physics with 13 exam-style questions and 10 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 4 of 14 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.

📐 The Moment Equation

M = F × d
Moment (Nm) = Force (N) × perpendicular distance from pivot (m)

Worked example: A force of 30 N is applied 0.5 m from a pivot.

Moment = 30 × 0.5 = 15 Nm

Practice questions for Moments & Levers

What is a moment?

  • A. The mass of an object multiplied by its speed
  • B. The turning effect of a force about a pivot
  • C. The pressure exerted by a force on a surface
  • D. The rate of change of velocity
1 markfoundation

State the principle of moments.

2 marksstandard

Quick recall flashcards

Key Concepts
Unit: Newton metres (Nm)
Key Concepts
A moment is the turning effect of a force

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