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Chapter 9 Vocabulary
Vocabulary from Chapter 9
Term | Definition |
---|---|
Motion | Distance from another object is changing. |
Reference Point | Place or object used for comparison to see if something is in motion. |
Distance | Length of path between two points. |
Displacement | Length and direction that an object has moved from starting point. |
Vector | Magnitude and direction of motion |
Speed | Distance object travels per unit of time. |
Average Speed | Overall Speed in which object moves |
Instantaneous Speed | Rate at which object is moving at given time |
Velocity | Speed in a given direction. |
Slope | Steepness of graph. |
Acceleration | Rate at which velocity changes over time. |
Work | When an object is caused to move a certain distance. |
Energy | The ability to work or cause change. |
Kinetic Energy | Energy an object has due to its motion. |
Potential Energy | Stored energy resulted from position and shape of object. |
Gravitational Potential Energy | Potential Energy related to an object's height. |
Elastic Potential Energy | Potential energy of compressible objects. |
Mechanical Energy | Object's combined kinetic and potential energy. |
Law of Conservation of Energy | energy cannot be created or destroyed. |