click below
click below
Normal Size Small Size show me how
Chapter 9 Vocab
Chapter 9.1
Term | Definition |
---|---|
Motion | The state in which one object’s distance from another is changing. |
Reference Point | A place or object used for comparison to determine if an object is in motion. |
Distance | The length of a path between two points. |
Displacement | The length and direction of a straight line between starting and ending points. |
Vector | A measurable quantity that consists of both a magnitude and a direction. |
Scalar | Having only magnitude and not direction. |
Speed | The distance an object travels per unit of time. |
Velocity | Speed in a given direction. |
Acceleration | The rate at which velocity changes. |
Energy | The ability to do work or cause change. |
Kinetic Energy | Energy that an object has due to it’s motion. |
Potential Energy | Stored energy that results from the position or shape of an object. |
Gravitational Energy | Energy that depends on the height of an object. |
Elastic Energy | The energy of stressed or compressed objects. |
Mechanical Energy | Kinetic of potential energy associated with the motion or position of an object. |
Conservation of Energy | The rule that energy cannot be created or destroyed. |
Work | Force exerted on an object that causes it to move. |