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simple machines
| Term | Definition |
|---|---|
| Fulcrum | the pivot point around which a lever can turn |
| Mechanical advantage | the ratio of the force produced by a machine to the force applied to it |
| Kinetic energy | the energy an object has due to its motion |
| Potential energy | the capacity to do work arising from charge stored in a material or physical system |
| Simple machine | a simple device without moving parts that changes the magnitude or direction of a force |
| Work | the change in a system's kinetic energy due to being acted on by a force |
| Wheel | one of the simple machines |
| Lever | a simple machine consisting of a solid bar that rotates around a pivot point; used to lift objects |
| Pulley | a simple machine consisting of a rope that is wrapped around a wheel; can be used to help lift heavy objects |
| Wheel and axle | a wheel with a rod called an axle through its center lifts or moves loads |
| Inclined plane | an object with a flat, tilted surface; a simple machine that helps things roll or slide upward off of the ground |
| Power | the change in energy of an object over some period of time |
| Wedge | a simple machine that can be used to split objects apart, hold objects in place, or lift objects from the ground; consists of two inclined planes joined together |
| Screw | a simple machine made of a shaft with grooves that wrap around it going from top to bottom |
| Compound machine | A machine consisting of two or more simple machines operating together. |
Created by:
mariah.brielle
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