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simple machine vocab
| Term | Definition |
|---|---|
| force | exerting pressure or influence over the object or substance |
| friction | the act of a surface or an object rubbing against each other |
| fulcrum | the support on which a lever turns or is helped in moving or lifting something |
| inclined plane | a plank or plane surface put at an angle to a horizontal surface |
| lever | a bar which rests on a fulcrum |
| load | amount of work a machine is expected to perform |
| machine | any device that applies or changes the direction of power force, or motion |
| axle | bar on which a wheel turns |
| power | strength or force that can be exerted on other bodies |
| pull | to move, usually with force or effort |
| pulley | a wheel that has a groove in the rim where a rope can run and change the direction of the pull |
| push | to move something away by pressing against it |
| screw | cylinder with a ridge winding around it. It's a simple machine. |
| spring | something that produces action, a moving force |
| tool | an instrument of work |
| torque | a force that causes rotation |
| wedge | to force an opening |
| wheel | a round frame that turns on a pin or shaft in its middle |
| work | an effort in doing or making something |