Physics for IGCSE & O level - Forces And Pressure (Section 2 - No. 22)
What happens if a force is applied beyond the limit of proportionality in a spring?
The spring stretches proportionally.
The spring's extension is no longer proportional to the force.
The spring breaks immediately.
The spring shrinks in length.
Explanation
Beyond the limit of proportionality, Hooke's Law no longer applies.
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