Question 1 · 1 mark · Foundation · Practical · Diagnostic
Interactive practical
Force and extension of a spring
Hang 100 g masses on a spring one at a time, read the pointer against a metre rule as it settles, then plot force against extension to find the spring constant and the limit of proportionality.
Open interactive simulationPractice: Force and extension of a spring
OCR J250 — this practical matches your selected course; the questions check the method, data handling and practical skills.
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Question 2 · 3 marks · Standard · Practical · Practical method