O-LevelPhysicsForces5054/12 · May/June 2018 · Q121 Mark
The graph shows extension-load curves for four fibres. Which fibre is the most difficult to stretch over the range of loads shown?
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.
ACurve A, which shows the greatest extension for a given load at higher loads.
BCurve B, which shows significant extension for a given load.
CCurve C, which shows moderate extension for a given load.
DCurve D, which shows the least extension for a given load.
✓ Correct answer
D: Curve D, which shows the least extension for a given load.
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