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. Repeat the experiment with different masses and record the results to calculate acceleration using the formula a = (final velocity - initial velocity) / time.
Explanation
This question tests the understanding of experimental design and the relationship between mass and acceleration as described by Newton's second law. It requires students to apply their knowledge of physics concepts in a practical context.
Common mistake
Confusing Mass and Weight
Students often confuse mass with weight, thinking they are the same. They may state that mass is measured in newtons instead of kilograms.
Remember that mass is a measure of the amount of matter in an object and is measured in kilograms (kg), while weight is the force acting on that mass due to gravity and is measured in newtons (N).
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