| A | B |
|---|
| Simple machine | A machine that does work ion one movement. |
| Screw | An inclined plane wrapped around a pole. |
| Resistance | The force opposing or slowing another force. |
| Pulley | A simple machine made of a rope wrapped around a grooved wheel. |
| Power | The rate at which work is done. |
| Force | The push or pull on an object that causes motion or change. |
| Wedge | A piece of wood or metal with a sharp pointed edge used to split or cut things apart. |
| Wheel and axle | A simple machine consisting of a grooved wheel turned by a cord or chain with a firmly attached axle together with supports. |
| Work | The force acting upon an object in the direction the object moves. |
| Compound machine | A system of two or more simple machines. |
| Inclined plane | A slanted surface,simple machine that is used to raise or lower an object. |
| Lever | A simple machine that does woork by moving around a fixed point. |
| Effort | The force applied to a simple machine in constrast tot he force applied by it against a load. |
| Mechanical efficiency | The measurement that compares a machine's work output with its work input. |
| Load | A mass or weight supported or lifted by something. |
| Mechanical advantage | The advantage gained by using a machine to transmit force. |
| Fulcrum | The fixed point of a lever . |
| Streamlining | To construct with a outline and which makes motion through water or air easier. |
| Distance | The space or amount of space between two points. |
