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Simple Machines
Term | Definition |
---|---|
Force | Exerting pressure or influence over object or substance |
Friction | The act of a surface of 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 at 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 |