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Motion and Forces
definitions of motion, forces, and interactions
Term | Definition |
---|---|
speed | Equals the distance traveled divided by the time it takes to travel that distance. |
average speed | Equals the total distance traveled divided by the total time taken to travel the distance. |
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. |
inertia | Tendency of an object to resist a change in its motion. |
instantaneous speed | The speed of an object at one instant of time. |
Law of Conservation of Momentum | States that the total momentum of objects that collide with each other is the same before and after the collision. |
Mass | Amount of matter in an object. |
Velocity | Speed and direction of a moving object. |
Displacement | The moving of something from its place or position. |
Relative Location | A point or place in relation to another point or place. |