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ScotlandEngineering ScienceQuick questions
Area 3: Mechanisms and structures
Quick questions on Materials: stress, strain and Young's modulus - SQA Higher Engineering Science
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
A force of 5000 N acts on an area of . Find the stress in MPa. [2 marks]
What is q2?Show answer
A 2 m rod stretches by 1 mm under load. Find the strain. [2 marks]
What is q3?Show answer
A material fails at 360 MPa and a factor of safety of 6 is used. Find the safe working stress. [1 mark]
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