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first laws an motion
| Term | Definition |
|---|---|
| distance | how faryou have travelled between two position. it is alway positive. it is a scalar quantity. |
| displacement | change in position. it is the straight line distancebetween you starting position and ending position. it i sequla to fial postion miuns inital position. it c an be positve or negitive. it is vector quanity |
| scalar | qaunity that only requers negitive how big |
| vector | quanity that requars both magtiude how big and direction |
| speed | how fast somthing is going distance divied by time and it is a xcalar |
| velocity | it is a positive change it is equal to displacement divded by time and it is a vector quanity |
| inertia | is that it is rest stays at rest and the motion stays at motion |
| mass | the measure the amount an object contains also the measure of a amount of inertia the object has. |
| force | any push or pull interacts that cause a change in motion. |
| net force | the combination of all of the force on an objects |
| balanced force | when the net force in both the horizontal and vertical direction 0N these cause motion to remain unchanged. |
| unbalanced force | when the net force in both the horizontal and vertical direction is not 0n these cause motion changes. |
| gravitational force | a non-contact force between two object that is most apparent close to a large object such as a plant the direction of the force is generally toward the center of an object eg toward the center of the earth. |
| applied force | the support force exerted upon an object that is in contact with anotherstable object. it is in the direction of the puch or pull |
| normal force | a contact force the is exerted by a surface against an object an object that is pressing against the surface. it is perpendicular to the to the surface and persent when ever atom are being crunched |
| tension force | contact force exerted by a taut string rop or wire on an object it is along the rop and present when ever a ropeis taut |
| friction froce | the force exerted by a surface as an object moves across it or make an effort to move across it it is parallel to the surface in the direction oppisite of the motion or attempted motion |
| air resistance | a special type of friction force that act upon object as they travel through the air/fluid. it is in the oppisit direction of the motion of the object. |
| spring force | a contcat froce on an object by spring or elastic object when it is strerched or compressed. it is along the spring in a direction that would restore the spring elastic material to its relaxed position |
| thrust | a contact force that is exerted in the opposit direction of nan exhaust gas being expell |
Created by:
20206
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