Engineering Mechanics

Q1. Why is measuring front-edge to front-edge more accurate than measuring centre distances? [3 marks, 2 – 3 sentences]

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Q2. Is it appropriate to use ± 5×10 –4 m (± 0.5mm) as the uncertainty in Step 11? Fully explain your answer. [3 marks, 2 – 3 sentences]

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Q3. Is the steel ball more likely to be a metric or imperial (specified using inches) component? Fully explain your answer. [3 marks, 2 – 3 sentences]

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Q4. Experiment 1A Conclusions [7 marks, ½ page]

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Q5. Experiment 1B Conclusions [8 marks, ½ page]

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Q6. Is it appropriate to use ± 5×10 –4 m (± 0.5mm) as the uncertainty? Fully explain your answer. [3 marks, 2 – 3 sentences]

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Q7. Experiment 2A Conclusions [5 marks, ½ page]

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Q8. Experiment 2B Conclusions [5 marks, ½ page]

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