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Mechanisms
Rube Goldberg Vocabulary
Term | Definition |
---|---|
Block and Tackle | An arrangement of pulleys and cables to make the lifting and lowering of very heavy loads easier. |
Cam | A device used to change rotary motion into either reciprocating or oscillating motion. |
Effort | The energy we put into machines to produce work. |
Follower | A device which follows the movement of a cam. The way it moves and the distance it moves depends on the shape of the cam. |
Friction | A force of resistance which is encountered when two things rub together or move over one another. |
Fulcrum | The fixed point upon which a lever pivots. |
Lever | Consist of a beam that can rotate about a fixed point called a fulcrum or pivot. |
Lever 1st Class | Here the pivot is in the middle with the effort being applied on one side and the load on the other. |
Lever 2nd Class | Here the pivot is at one side with the effort is applied at the other side. The load is in the middle. |
Lever 3rd Class | Here the pivot is at one side and the effort is applied in the middle. The load is at the other side. |
Load | That which is to be lifted/carried/moved etc. by the application of an effort. |
Mechanism | A way of turning one kind of force into another kind of force-the parts of a machine that enable it to perform its function. |
Pulley | A wheel with a groove around its circumference. |
Winch | A device for winding string/rope/cable etc. in or out. |
Winder | The part of the winch mechanism which allows you to turn it, usually involving a handle which is offset from the central axle of the winch. |