Step 4 of 4 · topic
Materials
WJEC 1420QS — matched to your course.
Stress, strain, Young modulus, deformation, material behaviour and elastic energy.
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Determining Young modulus
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Subtopics and study areas
- Measure extension, original dimensions and force to determine stress, strain and Young modulus.
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Force-extension behaviour of rubber
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Subtopics and study areas
- Measure loading and unloading force-extension curves for rubber and investigate hysteresis.
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Materials
Tailored to WJEC 1420QS.
Revision notes are free. Premium unlocks the full question and retrieval-card bank.
Subtopics and study areas
- Calculate stress, strain and Young modulus and interpret their physical meaning.
- Interpret force-extension and stress-strain graphs for elastic, plastic, brittle and ductile behaviour.
- Plan and evaluate measurements of material stiffness and elastic energy.
- Calculate stress, strain and Young modulus.
- Interpret elastic behaviour using force-extension and stress-strain graphs.
- Relate graph area to work done and elastic energy.
