| Description | Keyword |
| Motion in a circle | |
| Chain and ...... | |
| The gear ratio for gears with 50 teeth and 10 teeth | |
| motion in a straight line | |
| A gear with one tooth | |
| gears on the same shaft to increase ration | |
| Changes rotary to linear motion hint R & P | |
| Side to side motion | |
| | Description | Keyword |
| Input..Process.. | |
| the point where a lever pivots | |
| the input gear | |
| the name of the rod that the gear is attached to | |
| the output gear | |
| Motion in an arc back and forth | |
| The gear that turns motion through 45 degrees | |
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