内容正文:
6.1平面向量的概念
第六章 平面向量及其应用
人教A版 必修2 (高一年级 下)
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学习目标
1.通过对力、速度、位移等的分析,了解平面向量的实际背景,理解向量的概念。
2.理解平面向量的意义和两个向量平行与相等的含义。
3.理解平面向量的几何表示和基本要素。
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情境引入
问题1 如图所示,小船由A地到达B地,已知小船速度为10 n mile/h,A地与B地距离15 n mile.如果仅仅给出指令:“由A地航行15 n mile”,小船能否到达B地?
小船不一定能到达B地
小船的位移
方向:东南方向
小船的速度
大小:10 n mile/h
方向:东南方向
大小:15 n mile
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