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Cambridge IGCSE Physics practice

Paper 3 structured question: Turning effect of forces

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Turning effect of forces

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Paper 3Theory (Core)3 marks

Understanding moments in practical applications.

Description

Practical Application of Moments

A 10 N force is applied at a distance of 2 m from a pivot. Calculate the moment.

  1. a

    Define the moment of a force.

    Aim for approximately 2 distinct marking points.

    [2]
  2. b

    State the moment produced by the 10 N force at 2 m from the pivot.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Turning effect of forces

Paper 3Theory (Core)1 marks

Description

Lever System

A lever is used to lift a load. A force of 20 N is applied 1.5 m from the pivot.

  1. a

    State the formula for calculating the moment of a force.

    Aim for approximately 1 distinct marking point.

    [1]