Physics 9702 · AS & A Level · Stress and strain

Stress and strain — practice question

A student determines the Young modulus of a metal wire.
(a)[2]

Describe, using a diagram, the apparatus that could be used.

(b)[4]

Describe the method used to obtain the measurements needed.

(c)[4]

Describe how the measurements taken can be used to determine the Young modulus.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: Wire held horizontally over a pulley or vertically with a mass attached

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