4.5.3 Required practical 6 — Force and extension

What you do (method)

• Measure the spring’s natural length.
• Add known weights (force = weight) and measure extension.
• Plot force vs extension and identify the limit of proportionality.

Common mistakes

• Measuring total length instead of extension.
• Not spotting the non-linear region beyond proportionality.

Support videos

• FreeScienceLessons Hooke's law practical search: https://www.youtube.com/results?search_query=freesciencelessons+hooke%27s+law+required+practical