当前位置:首页>文档>6.1平面向量的概念练习(Word版含解析)_E015高中全科试卷_数学试题_必修2_02.同步练习_同步练习(第二套)

6.1平面向量的概念练习(Word版含解析)_E015高中全科试卷_数学试题_必修2_02.同步练习_同步练习(第二套)

  • 2026-02-16 02:57:58 2026-02-15 05:42:38

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6.1平面向量的概念练习(Word版含解析)_E015高中全科试卷_数学试题_必修2_02.同步练习_同步练习(第二套)
6.1平面向量的概念练习(Word版含解析)_E015高中全科试卷_数学试题_必修2_02.同步练习_同步练习(第二套)
6.1平面向量的概念练习(Word版含解析)_E015高中全科试卷_数学试题_必修2_02.同步练习_同步练习(第二套)
6.1平面向量的概念练习(Word版含解析)_E015高中全科试卷_数学试题_必修2_02.同步练习_同步练习(第二套)
6.1平面向量的概念练习(Word版含解析)_E015高中全科试卷_数学试题_必修2_02.同步练习_同步练习(第二套)
6.1平面向量的概念练习(Word版含解析)_E015高中全科试卷_数学试题_必修2_02.同步练习_同步练习(第二套)

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平面向量的概念 练习 一、选择题(共10题) 1.给出下列物理量:①密度;②路程;③速度;④质量;⑤功;⑥位移.下列说法正确的是( ) A.①②③是数量,④⑤⑥是向量 B.②④⑥是数量,①③⑤是向量 C.①④是数量,②③⑤⑥是向量 D.①②④⑤是数量,③⑥是向量 2.下列说法中错误的是( ) A.零向量与任一向量平行 B.方向相反的两个非零向量不一定共线 C.零向量的长度为0 D.方向相反的两个非零向量必不相等 3.如图,在四边形ABCD中,O为两条对角线的交点,且 ,则必有( ) A. B. C. D. 4.已知在边长为2的菱形ABCD中, ,则 ( ) A.1 B. C.2 D. 5.如图所示,等腰梯形 中,对角线 与 交于点P,点 分别在两腰 上, 过点P,且 ,则下列等式成立的是( ) A. B. C. D. 6.若 ,且 ,则四边形ABCD的形状为( ) A.平行四边形 B.矩形 C.菱形 D.等腰梯形 7.设点O是正方形ABCD的中心,则下列结论错误的是( )A. B. C. 与 共线 D. 8.给出下列三个结论:①若 ,则 ;②若 ,则 ;③若 ,则 .其中正确的结论有( ) A.0个 B.1个 C.2个 D.3个 9.如图,在圆O中,向量 是( ) A.有相同起点的向量 B.共线向量 C.模相等的向量 D.相等向量 10.如图6-1-5所示,在等腰梯形 中, ,对角线 交于点 ,过点 作 ,交 于点 ,交 于点 ,则在以 为起点和终点的向 量中,相等向量有( ) A.1对 B.2对 C.3对 D.4对 二、填空题(共4题) 11.如图所示, 是线段 的三等分点,分别以图中各点为起点或终点,与 相等的 向量是__________. 12.如图所示,点O是正六边形ABCDEF的中心,则以图中点A,B,C,D,E,F,O中的 任意一点为起点,与起点不同的另一点为终点的所有有向线段表示的向量中,与向量 共线的向量共有__________个.13.在等腰梯形ABCD中, ,则下列结论中正确的是________.(写出所有正确结论的 序号) ① ;② ;③ ;④ . 14.如图,四边形ABCD和ABDE都是平行四边形. (1)与向量 相等的向量有__________; (2)若 ,则 ___________. 三、计算题(共1题) 15.如图所示,在四边形ABCD中, ,N,M分别是AD,BC上的点,且 . 求证: .答案解析 1.答案:D 解析:由物理知识可知,密度、路程、质量、功只有大小,没有方向,因此是数量;而速 度、位移既有大小又有方向,因此是向量.故选D. 2.答案:B 解析:零向量的定义:零向量与任一向量平行,与任意向量共线.零向量的方向不确定,但 模的大小确定为0,故A与C都是对的; 设方向相反的两个非零向量为 和 ,满足 ,所以方向相反的两个非零向 量一定共线,故B错; 对于D,因为向量相等的定义:长度相等且方向相同的向量相等,所以方向相反的两个非 零向量必不相等,故D对.故选B. 3.答案:D 解析: 在四边形ABCD中, , 四边形ABCD为平行四边形, . 4.答案:D 解析:易知 ,且 . 设AC与BD交于点O,则 . 在 中,易得 ,则 .故选D. 5.答案:D 解析:根据相等向量的定义,分析可得:A中, 与 分方向不同,故 错误; B中, 与 的方向不同,故 错误;C中, 与 的方向相反,故 错误;D中, 与 的方向相同,且长度都等于 长度的一半,故 正确. 6.答案:C 解析:由 知四边形ABCD为平行四边形,由 知平行四边形ABCD为菱 形. 7.答案:D 解析:如图所示,点O是正方形ABCD的中心,则 ,A正确;显然 与 共 线,即 ,B正确;又 ,所以 与 共线,C正确; ,但 ,D错误.故选D.8.答案:A 解析:①忽略了0与0的区别, ;②混淆了两个向量的模相等和两个实数相等,两个 向量的模相等只能说明它们的长度相等,它们的方向并不确定;③两个非零向量平行,可 以得出它们的方向相同或相反,未必得到它们的模相等. 9.答案:C 解析:由题图可知 是模相等的向量,其模均等于圆O的半径,故选C. 10.答案:B 解析: 。 11.答案: 解析:设线段 的长度为3,则 ,与 的方向相同且模等于2的向量仅有 . 12.答案:9 解析:与向量 共线的向量有 ,共9个. 13.答案:③ 解析:如图, 四边形ABCD为等腰梯形, 与 的大小相等,但方向不同, 故 . 14.答案:(1) (2)6 解析:(1)根据向量相等的定义以及四边形ABCD和ABDE都是平行四边形,可知与向量 相等的向量有 . (2)因为 ,所以 .15.答案:证明过程见解析. 解析:因为 ,所以 ,且 ,所以四边形ABCD是平行四边 形. 所以 ,且 . 又因为 与 的方向相同, 所以 . 同理可证四边形CNAM是平行四边形, 所以 . 因为 , 所以 , 即 与 的模相等且方向相同,所以 .
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  1. CONNECT:[ UseTime:0.000723s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000577s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000250s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000260s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000457s ]
  6. SELECT * FROM `set` [ RunTime:0.000187s ]
  7. SHOW FULL COLUMNS FROM `wendang` [ RunTime:0.000576s ]
  8. SELECT * FROM `wendang` WHERE `id` = 233239 LIMIT 1 [ RunTime:0.000487s ]
  9. UPDATE `wendang` SET `liulancishu` = 4 WHERE `id` = 233239 [ RunTime:0.000733s ]
  10. UPDATE `wendang` SET `lasttime` = 1772306698 WHERE `id` = 233239 [ RunTime:0.000637s ]
  11. SELECT * FROM `wendang` WHERE `id` < 233239 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000554s ]
  12. SELECT * FROM `wendang` WHERE `id` > 233239 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000359s ]
  13. SELECT * FROM `wendang` WHERE `id` <> 233239 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.003131s ]
  14. SELECT * FROM `wendang` WHERE `id` <> 233239 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001402s ]
  15. SELECT * FROM `wendang` WHERE `id` <> 233239 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001240s ]
0.077411s