Question detail
Which of the following factors can introduce uncertainty in measuring acceleration?
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. The mass of the trolley
- B. The angle of the ramp
- C. The length of the track
- D. The reaction time of the observer
Answer
The reaction time of the observer
Explanation
The reaction time of the observer can introduce uncertainty as it affects the accuracy of when the timing starts and stops.
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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