A spring inside a push-button control has an uncompressed length of 36 mm and a spring constant of 250 N/m. When the button is fully pressed, the spring is 28 mm long. The limit of proportionality is not exceeded.
Calculate the force exerted by the compressed spring.
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.