Question detail
What is a source of uncertainty in an acceleration practical?
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 motion
Question
- A. Inaccurate timing devices
- B. Using a heavier trolley
- C. Measuring distance with a ruler
- D. Changing the surface of the track
Answer
Inaccurate timing devices
Explanation
Inaccurate timing devices can lead to errors in measuring the time taken for the trolley to accelerate, which affects the calculated acceleration.
Common mistake
Uncertainty in Measurements
Students often overlook the impact of measurement uncertainty on their results, assuming their measurements are perfectly accurate.
To fix this, students should always consider and state the possible sources of uncertainty in their measurements, such as equipment limitations or human error, and include these in their analysis.
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