Interactive practical

Determining g by free fall

Measure drop heights and repeated electronic fall times, then use a height–time squared graph to determine gravitational acceleration.

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Practice: Determining g by free fall

Pearson Edexcel 9PH0 — this practical matches your selected course; the questions check the method, data handling and practical skills.

Check your answers as you work. For written questions, use the marking points to assess your response.

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2 of 2 available questions match the selected filters. This session contains 2 questions.

Question 1 · 1 mark · Foundation · Practical · Diagnostic

What is the gradient of a graph of h (y-axis) against t² (x-axis) for an object falling from rest?

Question 2 · 3 marks · Standard · Practical · Practical method

Determining g by free fall

Practice: Determining g by free fall

What is the gradient of a graph of h (y-axis) against t² (x-axis) for an object falling from rest?

Explain why a graph of h against t² gives a more reliable value of g than a single measurement.