Hardness, elasticity and resilience

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Lessons are for learners and teachers with an account. Browsing the curriculum — subjects, strands and what each sub-strand covers — stays open to everyone.

• 8 sections of explanation, worked examples and diagrams
• 1 practice task with hints and worked answers
• A quiz that marks itself as you go
• Your progress kept across every subject you take

Other lessons in this sub-strand

1. Strength under four loads
2. Strain
3. Hardness, elasticity and resilience
4. Rigidity, weldability and fusibility
5. Embeddability in a bearing
6. Steel and cast iron
7. Aluminium alloys and copper
8. Glass, plastic, rubber and the use table