上海文通大粤 Vector manipulations SHANGHAI JIAO TONG UNIVERSITY Scalars Vectors Examples: mass,volume,speed force,velocity Characteristics: It has a magnitude It has a magnitude (positive or negative) and direction Addition rule: Simple arithmetic Parallelogram law Special Notation: None Bold font,a line,an arrowVector manipulations Scalars Vectors Examples: mass, volume, speed force, velocity Ch i i I h i d I h i d Characteristics: It has a magnitu de It has a magnitu d e (positive or negative) and direction Addition rule: Simple arithmetic Parallelogram law Special Notation: None Bold font, a line, an arrow