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motion and momentum
8th grade
| Term | Definition |
|---|---|
| Acceleration | equals the change in velocity divided by the time for the change to take place occurs when ann object speeds up slows down or turns |
| Average Speed | equals the total distance traveled divided by the total time taken to travel the distance. |
| Displacement | the distance you traveled to where you were. |
| Inertia | tendency of an object to resist a change in it's motion |
| Intantaneous Speed | the speed of an object at one instant of a time |
| Law of conservation of momentum | states that the total momentum of an object that collide with each other is the same before and after the collision. |
| Mass | amount of matter in an object. |
| Momentum | a measure of how difficult it is to stop a moving object equals the product of the mass and velocity. |
| Speed | equals the distance traveled divided by the time it takes to travel that distance. |
| Velocity | speed and direction of a moving object. |