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3.4 Mechanics and materials

Quick questions on Bulk properties of solids: Hooke's law, stress, strain and elastic energy - AQA A-Level Physics

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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Define tensile stress. [1 mark]
What is q2?
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A wire of cross-sectional area 2.0×10−6 m22.0 \times 10^{-6} \text{ m}^2 carries a tension of 50 N50 \text{ N}. Calculate the tensile stress. [1 mark]
What is q3?
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State what is meant by plastic deformation. [1 mark]

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