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Question 10

A uniform wire is stretched by a load FFF. The elastic strain energy stored in the wire is EEE.

The load on the wire is increased from FFF to 3F3F3F. The wire obeys Hooke’s law throughout this extension.

What is the increase in the elastic strain energy stored in the wire?

A

2E2E2E

B

4E4E4E

C

8E8E8E

D

9E9E9E

Markscheme

Materials Questions

  1. A Level
  2. /Physics
  3. /Materials

20 exam-style questions on AQA A Level Physics Materials, covering Bulk properties of solids and The Young modulus. Each one has a worked solution and a mark scheme showing where the marks go.

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