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simplemachine4
Term | Definition |
---|---|
work | the use of force to move an object from one place to another |
simple machine | has few or no moving parts; makes work easier |
lever | a bar that pivots, or turns, on a point that does not move |
fulcrum | a fixed point upon which a lever rests |
wheel-and-axle | has a wheel and an axle that turn together |
pulley | a wheel with a line around it to make it easier to lift or move things |
inclined plane | a slanted surface that makes it easier to climb |
Gear | two or more wheels linked together by interlocking teeth |
Screw | an inclined plane wrapped around a post to form a spiral |
Force | Push or pull |
Load | What is being moved |
Distance | How far the load is moved |
Energy | The ability to do work |
Push | Exerting a force to move something away from an object |
Pull | Exerting force to move something towards you |
lubricant | a substance used to reduce the amount of resistance between objects that are moving against each other |