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此概念图以 IHMC CmapTools 创建, 内含信息有关于: 1B_QuekHouYee(33)_Force,Pressure and Work_1, MAGNETISM shows that unlike poles ATTRACT each other, First class levers example Wire cutter, EFFECTS example Moving object stops, Mass measure The amount of matter in a body, PRESSURE Formula Force/Area, Two poles which are South pole, Everyday Life example Stretch an elastic band, PRESSURE S.I. unit PASCAL, Conditions includes Movement of object is in DIRECTION of the force, Conditions includes Object moves, MAGNETISM has Two poles, Everyday Life example Fold a newspaper, MAGNETISM shows that like poles REPEL each other, Weight measure The gravitational force exerted on the object, EFFECTS example object's SHAPE changes, EFFECTS example moving object SPEED UP, Around us example FRICTION, GRAVITY has Mass, Third class levers example Ice tong, WORK has LEVERS