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Edexcel IGCSE Physics · Spec 1.10E

Hooke's Law: Using the Equation (Worked Examples)

Worked examples using Hooke's law.

Physics revision video

Hooke's Law: Using the Equation (Worked Examples)

Spec 1.10E

What you need to know

  • Recall the equation F equals k x
  • Rearrange it to find the spring constant or the extension
  • Use it to solve problems

Active recall

Quick check

Answer each question before opening the answer.

What is the equation for the force on a spring?

Force = spring constant × extension (F = k × x).

What are the units of the spring constant, k?

Newtons per metre (N/m).

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