Term | Definition |
---|---|
position | the location of an object |
motion | a change in an object's position over time |
frame of reference | a group of objects from which a position or a motion is measured |
speed | how fast an object's position changes with time at any given moment |
velocity | the speed and the direction of a moving objects |
acceleration | a change in velocity with respect to time |
momentum | the mass of an object multiplied by its velocity |