Experiment result of acceleration about rolling motion object.
| Diameter[mm] | Mass[g] | Acceleration[m/s2] | |
|---|---|---|---|
| Ion ball(big) | 70.0 | 1420.0 | –0.011 |
| Ion ball(small) | 30.1 | 110.2 | –0.018 |
| Table tennis ball | 40.1 | 2.9 | –0.043 |
| Golf ball | 43.0 | 45.8 | –0.054 |
| Plastic ball | 45.8 | 22.5 | –0.054 |
| Sponge ball | 61.4 | 13.6 | –0.076 |
| Tennis ball | 65.2 | 57.3 | –0.158 |