OCR A Level Physics B (Advancing Physics)
OCR A Level Physics B (Advancing Physics) Mechanical Properties of Materials Exam Questions
Free OCR A Level Physics B (Advancing Physics) exam questions on Mechanical Properties of Materials, with mark schemes. Covers stress, strain, Young modulus, toughness, hardness and microstructure.
Mechanical Properties of Materials exam questions
These packs of real past exam questions cover the whole of Module 3: Physics in Action, including Mechanical Properties of Materials. Work through every question on this sub-topic, then mark your answers against the mark scheme.
About OCR A Level Physics B (Advancing Physics) Mechanical Properties of Materials
This sub-topic covers how materials behave under load.
What you need to know
- Stress and strain Young modulus and stress-strain graphs.
- Properties Stiffness, strength, toughness, hardness and ductility.
- Microstructure Dislocations, grain boundaries and polymer chains.
- Material choice Selecting materials for uses.
Common mistakes in Mechanical Properties of Materials
- Confusing strength and stiffness.
- Using diameter instead of area.
Try three Mechanical Properties of Materials exam-style questions
1. Define toughness. (1 mark)
Show the mark scheme answer
Energy absorbed per unit volume before fracture.
2. Explain why metals are ductile. (1 mark)
Show the mark scheme answer
Dislocations allow planes of atoms to slip.
3. State what the gradient of a stress-strain graph gives. (1 mark)
Show the mark scheme answer
The Young modulus.
Mechanical Properties of Materials FAQs
What does this cover?
Material properties and microstructure.
Which practical links here?
Determining the Young modulus.
Why are ceramics brittle?
Cracks spread easily as atoms cannot slip.
Revise this topic with flashcards: A Level Physics Flashcards, with mark scheme answers for Anki and Quizlet.