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Simple Machines
Term | Definition |
---|---|
force | exerting pressure r influence over object or subtances |
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 on an angle to a horizontal surface |
Lever | A bar which rests om 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. |
Wheel | A round frame that turns on a pin or shaft in the middle. |
Work | An effort in doing or making something. |
Torque | A force that causes rotation. |
Wedge | `A force an opening. |