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Define the spring constant as the force applied per unit extension and apply the equation F = kx.

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Cambridge IGCSE PhysicsMotion, forces and energySupplement content

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Define the spring constant as the force applied per unit extension and apply the equation F = kx

  • This point belongs to Effects of forces, especially Effects of forces outcomes.
  • You need to be able to define the spring constant as the force applied per unit extension and apply the equation F = kx.
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Paper 4 structured question: Effects of forces

Paper 4Theory (Extended)1 marks

Description

Spring Constant and Force

A spring has a spring constant of 150 N/m. When a force is applied, the spring stretches by 0.2 m.

  1. a

    State the force applied to the spring when it is stretched by 0.2 m.

    Aim for approximately 1 distinct marking point.

    [1]
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