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suitable for KS3+. To demonstrate that the relationship between the extension on a spring is proportional to the load applied to it. This complete apparatus has a 15cm adjustable scale. The adjustable scale helps to prevent parallax error. Scale is marked in millimetres and mounted on sturdy 30cm support rod and a wooden base. A hook supporting a coiled spring with a mass hanger and indicator is attached to rod.
10g weight plates included along with experimental notes.
