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unit 4 vocabulary
unit 4
Question | Answer |
---|---|
magnetism | a force that acts at aq distance that cannot be seen |
gravity | a pull that attracts objects to eachother |
friction | a force that opposes motion between two objects that are touching |
position | the position of an object is its location relative to another object |
directon | the course or path that an object is moving and can be determined by reading a compass |
speed | a measure of how fast an object is moving |
force | a push or pull that acts on a object |
motion | the change in position of an object |
point of reference | the location against which motion is measured |