a. These are stressstrain curves for three different materials, P, Q and R. State and explain which

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a. These are stress–strain curves for three different materials, P, Q and R.
State and explain which material has the greatest Young modulus.

b. Describe an experiment to determine the Young modulus for a material in the form of a wire. Include a labelled diagram and explain how you would make the necessary measurements. Show how you would use your measurements to calculate the Young modulus.

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Cambridge International AS And A Level Physics Coursebook

ISBN: 9781108859035

3rd Edition

Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside

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