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science 3
speed,mass, and inertia
| Term | Definition |
|---|---|
| Triple-Beam Balance | scientific instrument used to measure mass precisely by comparing the mass of a sample to known mass |
| Kilogram | SI unit of mass, abbreviated kg,equal to approximately 2.2 lbs |
| Inertia | tendency of an object to resist a change in its motion |
| Mass | amount of matter in a object |
| Acceleration | equals the change in velocity divided by the time for the change to take place; occurs when an object speeds up, slows down, or turns |
| Velocity | speed and direction of a moving object |
| Instantaneous Speed | the speed of an object at one instant in time |
| Average Speed | Equals the total distance traveled divided by the total time taken to travel the distance |
| Speed | Equals the distance traveled divided by the time it takes to travel that distance |
| Meter | SI unit of distance, abbreviated m; equal to approximately 39.37 inches |