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motion forces
forces in motion
Question | Answer |
---|---|
motion that is describes based on a frame of reference | relative motion |
any change of position | motion |
change in the speed or direction of an object's motion | acceleration |
a certain place | position |
force that pulls all objects towards each other | gravity |
a pull or push | force |
metric unit of force | newton |
things around you that you use to descibe motion | frame of reference |
measure of an object's change of position during a unit of time | speed |
measure of the force of gravity on an object | weight |
force that keeps two objects that are touching from sliding past each other | friction |
to find speed you need to know two things | distance and time it took |
motion is stopped and started by | forces |
to increase acceleration you need one of these two things | more force or same force over longer time |
name an instrument used to measure force | spring scale |