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Relationships between friction coefficients and moisture content of black and white myrtle fruits for various material surfaces
| Materials | Static friction coefficient | Dynamic friction coefficient |
|---|---|---|
| a. Black myrtle fruits | ||
| Galvanized steel | 0.26 ± 0.07 | 0.22 ± 0.06 |
| Iron sheet | 0.29 ± 0.09 | 0.25 ± 0.09 |
| Plywood | 0.33 ± 0.09 | 0.29 ± 0.09 |
| b. White myrtle fruits | ||
| Galvanized steel | 0.20 ± 0.07 | 0.17 ± 0.06 |
| Iron sheet | 0.23 ± 0.07 | 0.19 ± 0.07 |
| Plywood | 0.28 ± 0.08 | 0.24 ± 0.07 |
