O-LevelPhysicsForces5054/12 · May/June 2023 · Q101 Mark
A load-extension graph for a spring is shown. Which point is the limit of proportionality for the spring and what is the spring constant of the spring equal to?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AQ, the gradient of PQ
BQ, the gradient of QR
CR, the gradient of PQ
DR, the gradient of QR
✓ Correct answer
A: Q, the gradient of PQ
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