| English | eng-000 |
| friction of motion | |
| 普通话 | cmn-000 | 动摩擦 |
| 普通话 | cmn-000 | 滑动摩擦 |
| 普通话 | cmn-000 | 运动摩擦 |
| English | eng-000 | break-away friction |
| English | eng-000 | rubbing friction |
| English | eng-000 | slide friction |
| English | eng-000 | sliding friction |
| English | eng-000 | sliding rubbing |
| русский | rus-000 | кинетическое трение |
| русский | rus-000 | трение движения |