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Force and Motion
Term | Definition |
---|---|
position | the location of an object |
distance | the length of a line between two points |
motion | a change in an object's position |
direction | the path that a moving object follows |
speed | a measure of how far an object moves in a certain amount of time |
distance-time graph | a line graph that shows an objects motion |
mass | the amount of matter that makes up an object |
matter | anything that has mass and takes up space |
gravity | a force that pulls objects toward each other |
friction | a force that acts between surfaces that touch each other; tends to slow an object's motion |
force | a push or a pull |