Mass of wood range:
First: 119
Last: 126
| Mass on top of block in units of the balance | Total mass sliding on surface in units of the balance | Total mass hanging from cord, in units of the balance | |
|---|---|---|---|
| UNITS | ( ) | ( ) | ( ) |
| Obs. 1 | 80 | 68 | |
| Obs. 2 | 140 | 80 | |
| Obs. 3 | 200 | 100 | |
| Obs. 4 | 260 | 120 | |
| Obs. 5 | 380 | 160 |