A force compresses a spring. The graph shows the compressive force $F$ against the spring’s length $L$. What is the spring constant of this spring?
- A$0.2\,\text{N m}^{-1}$
- B$5\,\text{N m}^{-1}$
- C$100\,\text{N m}^{-1}$
- D$200\,\text{N m}^{-1}$
Physics 9702 · AS & A Level · Elastic and plastic behaviour