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| Question | Answer |
| force field | Region of space in which an object will experience a non-contact force |
| Force | A push pull or a twist that can change an object motion |
| Friction | Force that acts against an object's motion |
| Newton | Unit used to measure force |
| Mass | The amount of matter in a substance (measured in kilograms) |
| Traction | Grip |
| Weight | The force of gravity pulling on an object; measuredin newton |
| Magnetic field | Region around a magnet in which a magnetic force is expeaienced |
| Fulcrum | Point about which a lever pivots |
| Driving gear | The gear that supplies force to another gear |
| Gear train | A system of interconnected gears |
| Air resistance | Friction that acts on an object moving through the air |
| Acceleration | Increase in speed |
| Atoms | Tiny particles that make up all matter |
| Ramp | An inclined plane used to help lift an object |
| Load | Often a weight, on a leveror material |
| Static electricity | A build-up of electric charge |
| Poles | Ends of a magnetic, may be a north or south pole |
| Permanent magnet | A magnetical that remains magnetic for a long time |
| Geard | A wheel with teeth used to turn another gear wheel |
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