Sketch two forces vs.extension graphs, one for a stiff spring the other for a much weaker spring.

Stiff Spring:

Force vs. Extension Graph:

| | |
|--|--|
| 0 | 0 |
| 1 | 10 |
| 2 | 20 |
| 3 | 30 |
| 4 | 40 |
| 5 | 50 |

Weaker Spring:

Force vs. Extension Graph:

| | |
|--|--|
| 0 | 0 |
| 1 | 5 |
| 2 | 10 |
| 3 | 15 |
| 4 | 20 |
| 5 | 25 |