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Northern IrelandTechnology and DesignQuick questions
A2 1 Mechanical and Pneumatic Control Systems
Quick questions on Stress, strain and the Young modulus: elastic limit and factor of safety - CCEA A-Level Technology and Design
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?Show answer
State the equation for stress. [1 mark]
What is q2?Show answer
A wire of area carries 40 N. Find the stress. [2 marks]
What is q3?Show answer
What does the elastic limit on a stress-strain graph represent? [2 marks]
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