An elastic cord is used to secure equipment. The limit of proportionality of the cord is not exceeded.
| Original length in cm | Stretched length in cm | Spring constant in N/m |
|---|---|---|
| 45 | 72 | 80 |
Calculate the force stretching the cord.
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.