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 | 66 | |
| Obs. 2 | 140 | 96 | |
| Obs. 3 | 200 | 110 | |
| Obs. 4 | 320 | 152 | |
| Obs. 5 | 420 | 193 |