| 1. friction |
Bar on which a wheel turns. |
| 2. inclined
plane |
Exerting pressure or influence over object or substance. |
| 3. force |
The support on which a lever turns or is helped in moving or lifting something. |
| 4. axle
|
The act of a surface or an object rubbing against each other. |
| 5. power |
Strength or force that can be exerted on other bodies. |
| 6. fulcrum
|
A plank or plane surface put at an angle to a horizontal surface. |
| 7. load
|
To move, usually with force or effort. |
| 8. pulley |
A bar which rests on a fulcrum. |
| 9. pull
|
A wheel that has a groove in the rim where a rope can run and change the direction of the pull. |
| 10. lever |
To move something away by pressing against it. |
| 11. screw
|
Amount of work a machine is expected to perform. |
| 12. push
|
Something that produces action, a moving force. |
| 13. tool
|
Any device that applies or changes the direction of power force, or motion. |
| 14. spring
|
Cylinder with a ridge winding around it. It's a simple machine. |
| 15. machine |
An instrument of work. |
| 16. wedge |
A round frame that turns on a pin or shaft in its middle. |
| 17. wheel |
A force that causes rotation. |
| 18. torque |
To force an opening. |
| 19. work |
An effort in doing or making something.
|