A student plots a graph of force applied against the length of a spring. The line is straight but does not pass through the origin. What is the reason for this?
The spring has a length when no force is applied.
The spring has been inelastically deformed.
The spring constant of the spring is negative.
The student has plotted the axes the wrong way round.
40 exam-style questions on AQA GCSE Physics 5.3 Forces and elasticity, covering 5.3 Forces and elasticity. Each one has a worked solution and a mark scheme showing where the marks go.