Edexcel IGCSE Physics 1.24 Elastic behaviour
Practise interpreting elastic behaviour from force-extension graphs, including unloading paths and permanent stretching after large forces.
- Syllabus
- First assessment 2019
- Course
- Physics 4PH1
Exam points
- explain elastic behaviour as returning to original length when the force is removed
- use an unloading graph to decide whether a spring or rubber band returns to zero extension
- link exceeding the elastic limit to permanent deformation after a large stretching force
1.24 Elastic behaviour question 1
A student stretches a rubber band.
The diagram shows a force-extension graph for a rubber band.
Explain how the graph shows that the rubber band is elastic.
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