| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| coefficient of friction pdf | 0.3 | 0.1 | 160 | 73 | 27 |
| coefficient | 1.61 | 0.8 | 3964 | 49 | 11 |
| of | 1.86 | 0.5 | 386 | 74 | 2 |
| friction | 0.34 | 0.9 | 2484 | 93 | 8 |
| 1.33 | 0.4 | 3974 | 34 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| coefficient of friction pdf | 0.85 | 0.1 | 2162 | 78 |
