By Travis Terry Copyright © 2012 Travis Terry • Motion of an object is always judged with respect to some other object or point. • When an object changes position over time relative to a reference point, the object is is motion. • Motion can be described with reference to direction (North, South, East, West, up or down) ←FIGHTER JETS! ←SLOW MOTION! INCREASED ACCELERATION! 3. . . 2. 1. DECREASED Faster… Faster… ACCELERATION!