A student stretches a spring so far that the spring is inelastically deformed.
Explain why the elastic potential energy stored in the spring is less than the work done on the spring by the stretching force.
Give one observation that would show the student that the spring has been inelastically deformed.
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.