解题方法
1 . 已知
,
.若存在向量
,使得
,
,试求向量
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324ae9aabe9b5d2800807da07b3d0268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f74cd42a16da88498dcb9e4dfc6d9ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4719c1ed7f9fc077200d50b2780d8f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe027d4b4a77768a0d20c28f1dccf7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
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2 . 已知
,
,
,求
的顶点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5fb552c79ab5d45b0aeafc06e58542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb645218ed8779dba3055373f299b766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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3 . 如图,在倾角为
、高
m的斜面上,质量为5kg的物体沿斜面下滑,物体受到的摩擦力是它对斜面压力的
倍,
N/kg.求物体由斜面顶端滑到底端的过程中,物体所受各力对物体所做的功,(参考数据
,
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8141d00b74eb4c50bf861e6ff0edf137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e753dc81ed21f878fff89e98cccf24a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec818fc0754296163206e1e8870f9e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d601467b73eedb3502914d368752a242.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e3280953f30aa1634fb248369e3908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0291bbe0ccccc1cd14b5a20eb70c82f0.png)
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2023-10-09更新
|
205次组卷
|
10卷引用:北师大版(2019)必修第二册课本习题第二章复习题
北师大版(2019)必修第二册课本习题第二章复习题6.4.2向量在物理中的应用举例练习(已下线)专题07 向量的应用-【寒假自学课】(苏教版2019)(已下线)第05讲 平面向量的应用-《知识解读·题型专练》(人教A版2019必修第二册)(已下线)第09讲 6.4.1平面几何中的向量方法+6.4.2向量在物理中的应用举例-【帮课堂】(人教A版2019必修第二册)(已下线)专题1.6 平面向量在几何和物理中的应用-重难点突破及混淆易错规避(人教A版2019必修第二册)(已下线)9.4 向量应用-【帮课堂】(苏教版2019必修第二册)(已下线)第9章 平面向量单元综合能力测试卷-【帮课堂】(苏教版2019必修第二册)(已下线)6.4.2 向量在物理中的应用举例-高频考点通关与解题策略(人教A版2019必修第二册)(已下线)6.4.2 向量在物理中的应用举例——课后作业(基础版)
4 . 质量
kg的物体,在4.0N的水平力作用下,由静止开始在光滑水平面上运动了3s,求水平力在3s内对物体做的功.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b4d6085973bd208e8823d08962bb1a.png)
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解题方法
5 . 在
中,已知
,
,
,试判断
的形状.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab47bf43b2c5d6395129b80ddfbb1b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e99ba8bce329c030d01101ac8f72588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdcab81f49f0550de5dd263cbcc0184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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6 . 已知两个力
,
的夹角为90°,它们的合力大小为10N,合力与
的夹角为60°,那么
的大小为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
A.![]() | B.5N | C.10N | D.![]() |
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2023-10-09更新
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8卷引用:北师大版(2019)必修第二册课本习题第二章复习题
北师大版(2019)必修第二册课本习题第二章复习题6.4.2向量在物理中的应用举例练习(已下线)专题04 平面向量的应用 (1)-【寒假自学课】(人教A版2019)(已下线)6.4.2 向量在物理中的应用举例-高一数学同步精品课堂(人教A版2019必修第二册)(已下线)第05讲 平面向量的应用-《知识解读·题型专练》(人教A版2019必修第二册)(已下线)第09讲 6.4.1平面几何中的向量方法+6.4.2向量在物理中的应用举例-【帮课堂】(人教A版2019必修第二册)(已下线)第6.4.2讲 向量在物理中的应用举例-同步精讲精练宝典(已下线)复习题二
解题方法
7 . 已知
,
,当
,
满足下列条件时,分别求
的值.
(1)
;
(2)
;
(3)
与
的夹角为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29276b43a2950ed71f0f9629a35dfa74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e405db6c09d6ab5739cabbb63cd3b3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e16eb319ee454088f5b527cf6c4d5.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f7d08d10754ff3903d139768f40530.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1cde7aace5b888a1a1c26fb911e2f49.png)
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2023-10-09更新
|
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4卷引用:北师大版(2019)必修第二册课本习题第二章复习题
解题方法
8 . 已知
,
,
,当
时,求实数x,y应满足的关系式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb1d8aaeee056be99965d2ccc93d074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a1d27a95a65d5f5c0b0bc2b1471d855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05465068c2b6bd31d8c6486339224ea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16335a23fce896ca6b5a25bcae9272b5.png)
您最近一年使用:0次
解题方法
9 . 已知
的两条对角线相交于点O,以
,
为基向量,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46a1f8d0fa429480917c5c126870d44.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e984585ddf28c039219afcebf229de7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d46a1f8d0fa429480917c5c126870d44.png)
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10 . 判断题(正确的填“正确”,错误的填“错误”):
(1)平行向量就是共线向量.( )
(2)若向量
的模小于
的模,则
.( )
(3)质量、动量、功、加速度都是向量.( )
(4)若
与
共线,则A,B,C,D四点必在一条直线上.( )
(5)若向量
与
平行,则
与
的方向相同或相反.( )
(6)在
中,
.( )
(7)若向量
与
有共同的起点,则以
的终点为起点,以
的终点为终点的向量等于
.( )
(8)若
且
,当
,则一定有
与
共线.( )
(9)若
,则
或
.( )
(10)若
且
,则
.( )
(11)向量
在
方向上的投影是一个模等于
,方向与
相同或相反的向量. ( )
(12)
.( )
(1)平行向量就是共线向量.
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de12437ea8219e16092749a45858053a.png)
(3)质量、动量、功、加速度都是向量.
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1070a28cb9cb8553c29747d1993b16.png)
(5)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(6)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e71163a9fd0b7c3b86d1c7f3267bde28.png)
(7)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb667795acdfafa436ee35e152adbc4.png)
(8)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e87088da41685cc8d433fbbe0e18d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177bac525befae1da05679bba3735d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11aeda90bd9777fda412249a37fc7a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(9)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5addd0c822fa3c5ac9c7db649f6682cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab00d21b5a95621c6b6164dfb9e08b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afff2ac07ebf0f4b8b498db0e256a72d.png)
(10)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa8f7351f41cbfc74f99de51c752ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f6e8e539b10975174077d1fbf8d8099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58fbeefcb60bff9eab8243d3b4931123.png)
(11)向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69107a1f19902da9c610086e94c86daf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(12)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7960dd509a123a8efe26a32e1f0ea396.png)
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