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Forces
| Term | Definition |
|---|---|
| force | a push or a pull in a particular direction |
| motion | a change in position |
| friction | a force that opposes the motion of one object moving past another |
| push | a force that allows you to move an object away from you |
| pull | a force that allows you to move a object towards you |
| gravity | the force that pulls an object together or toward the ground |
| balanced forces | forces that act together on an object without changing its motion |
| unbalanced forces | forces that do not cancel each other out and that cause an object to change its motion |
| velocity | is the measurement that combines both the speed and direction of a moving objects |
| speed | Is how fast an objects position changes over time |
| acceleration | is the change in velocity over time for an object |
| momentum | Is the product of mass multiplied by velocity |
| air resistance | it increases with velocity but friction usually does not |
| position | is the location of an object |
| frame of reference | is an object or a group of objects which you can measure position or motion |
| newton first law of motion | an object at rest tends to stay at rest and an object in motion unless a outside force is acted upon it |
| newton second law of motion | the greater the force the greater the acceleration |
| newton third law of motion | for every action there is an equal and opposite reaction |
Created by:
treyday
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