Question 31
FA student investigates how the extension of a spring depends on the force applied to it.
The Figure shows the apparatus.
Figure
a.[1]
Give the independent variable in this investigation.
b.[3]
Describe how the student should use the apparatus to find the extension of the spring for each force.
c.[2]
Explain why the student reads the position of the pointer with her eye level with the pointer.
d.[2]
Give one safety precaution shown in the Figure, other than wearing eye protection.
Explain why this precaution is needed.
15.1 Forces and springs Questions
102 exam-style questions on Edexcel GCSE Physics 15.1 Forces and springs, covering 15.1.1 Elastic and inelastic distortion, 15.1.2 The spring constant, 15.1.3 Work done in stretching a spring, and 15.1.4 Linear and non-linear force–extension. Each one has a worked solution and a mark scheme showing where the marks go.