Question detail
What is a source of uncertainty when measuring the extension of a spring?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Forces and elasticity
Question
- A. Inaccurate measurement of the original length
- B. Using a spring with a known spring constant
- C. Adding loads too slowly
- D. Measuring in millimetres instead of centimetres
Answer
Inaccurate measurement of the original length
Explanation
An inaccurate measurement of the original length can lead to incorrect calculations of extension, affecting the overall results.
Common mistake
Common Mistake in Evaluating Uncertainty
Students often overlook the impact of measurement precision on uncertainty, leading to inaccurate evaluations of force and extension measurements.
To fix this, students should always consider the smallest division on their measuring instruments and account for it when calculating uncertainty.
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