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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 |