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Fisher: Force
Virginia definition review for Force, Motion, and Energy definitions
| Term | Definition |
|---|---|
| gravity | the force that attracts and object toward the center of the Earth |
| force | any push or pull |
| push | to use force to move someone or something away from you |
| pull | to hold onto and move someone or something toward yourself |
| motion | an object's speed and direction |
| speed | how fast an object is moving |
| kinetic energy | energy an object can have because of its motion |
| net force | a combination of all the forces acting on an object |
| matter | anything that has mass and takes up space |
| mass | amount of matter in an object |
| friction | a force that opposes (works against) the motion of an object |
| potential energy | stored energy |
| acceleration | the rate at which the speed of a moving object changes over time |
| direction | a course along which someone or something moves |