A spring with a large spring constant is described as stiff. What does a large spring constant mean?
The spring stores no energy when it is stretched.
The spring returns to its original length slowly.
The spring has a long natural length.
A large force is needed to produce a small extension.
106 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.