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Edexcel IGCSE Physics 1.22 Force Extension Practical Questions

Measure the original and loaded length, subtract to find extension, and improve accuracy with careful ruler placement and repeated readings.

Syllabus
First assessment 2019
Course
Physics 4PH1

Exam points

  • Measure a spring’s original and loaded lengths at a range of applied masses, then calculate extension as their difference.
  • Use a ruler positioned vertically, read at eye level or with a pointer, and measure between the same points.
  • Repeat readings at each load and average them; measurements while unloading can also check consistency.

Edexcel IGCSE Physics 1.22 Force Extension Practical Questions question 1

[Maximum number: 5]

A student investigates how the extension of a spring varies when the mass attached to the spring is changed.

The diagram shows most of the equipment the student uses in the investigation.

Figure for Question Edexcel IGCSE Physics 1.22 Force Extension Practical Questions question 1 — Edexcel IGCSE Physics

Describe a method the student could use for the investigation.
Your description should include the measurements taken and how the student could obtain accurate results.

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