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Stack #806881
Chapter ten vocabulary
Question | Answer |
---|---|
an objects change in position relative to a reference point. | motion |
the length of an object. | displacement |
how fast an object moves. | speed |
speed and direction of motion | velocity |
change in velocity. | acceleration |
anything that changes the state of rest or motion of an object. | force |
the unbalanced force that acts against the objects direction of motion. | friction |
friction between surfaces that are stationary. | static friction |
friction between moving surfaces. | kinetic friction |