Question detail
Describe how you would investigate the effect of changing mass on the acceleration of a trolley.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Forces and motion
Question
Describe how you would investigate the effect of changing mass on the acceleration of a trolley.
Answer
To investigate the effect of changing mass on the acceleration of a trolley, set up a track with a trolley and a pulley system. Attach weights to the trolley to change its mass. Measure the time taken for the trolley to travel a fixed distance using a stopwatch. Calculate the acceleration using the formula a = (final velocity - initial velocity) / time.
Explanation
This question assesses the ability to apply practical skills in a physics context. A strong answer outlines a clear method for the investigation, showing an understanding of the relationship between mass and acceleration.
Common mistake
Understanding Reliability in Experiments
Students often believe that taking a single measurement is sufficient for accuracy in experiments.
Emphasize the importance of taking multiple measurements to identify anomalies and improve the reliability of results.
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