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Ch.5 Vocab
Question | Answer |
---|---|
What is motion? | when a object changes postion over time. |
What is speed? | the distance traveled by a object divided by the time taken to travel that distance. |
Velocity is: | the speed of an object in a particular direction. |
The rate at which velocity changes is: | Acceleration. |
What is a force? | a push or pull on an object. |
A "newton" is a unit that: | expresses force |
A net force is? | the combination all of the forces acting on an object. |