Obs. No. | Pulling force (kg) | Pulling angle (˚) | Pushing angle (˚) | Pushing force (N) | Average pushing force (N) |
1. | 4 | 0 | 30 | 45.31 | 43.42 |
2. | 3.5 | 0 | 30 | 39.65 | |
3. | 4 | 0 | 30 | 45.31 |