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人教版必修1第二章第3节内容为“匀变速直线运动的位移与时间的关系”。本节内容是从匀速直线运动的位移对应v-t图线下围成的矩形面积出发,猜想匀变速直线运动是否也有类似的关系?然后,引导学生利用极限思想得出匀变速直线运动的v-t图中,图线下梯形的面积代表匀变速直线运动的位移,从而得到了匀变速直线运动的位移公式。这样的处理方法是微元求和的思想,实
PEP 1 Required Chapter II, Section 3, “The Relationship between Displacement and Time of Even Linear Movement”. This section is from the displacement of uniform linear motion corresponding to the rectangular area under the vt graph starting line, guess uniform variable speed linear motion also have a similar relationship? Then, guide students to use the limit idea to draw uniform linear motion vt map , The area of the trapezoid under the graph represents the displacement of the linear motion with uniform speed, and the displacement formula of the linear motion with uniform speed is obtained. This approach is the sum of micro-yuan ideas, real