PHYS130 Chapter Notes - Chapter 2: Axa, Alanta

• School: University of Alberta
• Department: Physics
• Course: PHYS130
• Professor: John Davis

Document Summary

Example: a stiff pig slipping down a straight playground slide. Example: a particle might be located at x= 5m, which means it is 5m in the positive direction from the origin. If it were x= -5m, it would be just as far from the origin but in the opposite direction. A coordinate of -5m is less than a coordinate of -1m but both are less than a coordinate of. +5m: displacement x is a change from position x1 to position x2 where x = x2- x1(e1) When numbers are inserted for or the position values x1 and x2 in (e1), a displacement in the positive direction always comes out positive, and a displacement in the opposite direction always comes out negative. ------- example: the actual number of meters covered for a trip is irrelevant; displacement involves only the original and final positions, signs. A plus sign for a displacement isn"t required but a minus shown must always be shown.