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Motion chapter 9
Term | Definition |
---|---|
Motion | When a distance between objects are changing. |
Reference Point | A place or object used for comparison to determine if something is in motion |
Distance | The length of a path between two points. |
Displacement | The length and direction that an object has moved from its starting point. |
Scalar | Without direction |
Vector | A quantity that consist of both a magnitude and a direction |
Speed | the rate at which someone or something is able to move or operate |
Velocity | the speed of something in a given direction. |
Acceleration | increase in the rate or speed of something. |
Energy | The ability to do work or cause change |
kinetic energy | Energy that an object has due to its motion |
potential energy | stored energy that results from the position or shape of an object |
gravitational energy | Potential energy related to an object's height |
elastic energy | the energy of compressed or stretched objects |
mechanical energy | Kinetic or potential energy associated with the motion or position of an object |
conservation of energy | The rule energy cannot be created or destroyed |
Work | Force exerted on an object that causes it to move |