Q: What mistakes do candidates make on this AQA GCSE question?

✗ Making an error in addition.\n✗ Dividing by the wrong number (e.g., 2 or 4 instead of 3).\n✗ Forgetting to show the working.

Question 1

For one of the masses put on the trolley, the student recorded three values of acceleration:
1.58 m/s², 1.53 m/s², 1.54 m/s²

Calculate the mean acceleration of the trolley.

Accepted Answer

To calculate the mean (average) of a set of numbers, you need to:
1. Add all the values together.
2. Divide the sum by the number of values.
Show your working clearly.

Question 2

What mistakes do candidates make on this AQA GCSE question?

Accepted Answer

✗ Making an error in addition.
✗ Dividing by the wrong number (e.g., 2 or 4 instead of 3).
✗ Forgetting to show the working.

For one of the masses put on the trolley, the student recorded three values of acceleration:
<br>
1.58 m/s², 1.53 m/s², 1.54 m/s²
<br><br>
Calculate the mean acceleration of the trolley.

How to approach this question

Full Answer

Common mistakes

Practice the full AQA GCSE Physics Foundation Tier Paper 2

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