CAPE Physics Unit 1 · 2008 · Paper 2 · Question 3(a)(i)
Explain what is meant by EACH of the following terms. 'Stress': 'Strain':
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Practise this questionOther parts of this question
- 3(a)(ii)Mark on the graph the region where the wire obeys Hooke's law.[1 mark]
- 3(a)(iii)In the space below, sketch graphs to show how the graph in Figure 3 will change if the material is (a) Glass (b) Rubber[2 marks]
- 3(b)(i)On Figure 4 show the forces acting on the mass.[2 marks]
- 3(b)(ii)a)At the LOWEST point, calculate the tension in the wire.[2 marks]
- 3(b)(ii)b)At the LOWEST point, calculate the stress experienced by the wire.[2 marks]
- 3(b)(ii)c)At the LOWEST point, calculate the extension of the wire.[3 marks]
- 3(c)Explain whether or not the wire breaks at this point.[1 mark]
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