下列物理量:①质量;②速度;③位移;④力;⑤加速度;⑥路程;⑦密度;⑧功.其中不是向量的有( )
A.1个 | B.2个 | C.3个 | D.4个 |
2016高一·全国·课后作业 查看更多[2]
更新时间:2017-11-27 15:43:32
|
【知识点】 平面向量的概念与表示解读
相似题推荐
单选题
|
较易
(0.85)
【推荐1】如图,网格纸中小正方形的边长均为1,A,B,C,D,E,F,G这7个点都是小正方形的顶点,则( )
![](https://img.xkw.com/dksih/QBM/2021/6/3/2735052054429696/2760017880498176/STEM/486b5926ab594fd1985bf0d27512ce70.png?resizew=126)
![](https://img.xkw.com/dksih/QBM/2021/6/3/2735052054429696/2760017880498176/STEM/486b5926ab594fd1985bf0d27512ce70.png?resizew=126)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】有下列命题:
①若
,则
;
②若
,则四边形
是平行四边形;
③若
,
,则
;
④若
,
,则
.
其中,假命题的个数是( )
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4669d69c669f2a3bb8db9591e041626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4685095bc03f63630ef2f8d9b74eaf7.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a961467d7dcc2a5c19185be2e6121a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13819abd3a917c4ba20ff0df2146f8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31350329695b8d4f59e6f81817773373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbd8741983d219f3970e608ac06b7116.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ac384dd059e9d0c5a29f3b26d2ae29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1b19fd3516eef59d1048c11aa82e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94eb126b0d69ab4fc9a12f3a19607bb5.png)
其中,假命题的个数是( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐3】对于两个不共线的向量
和
,下列命题中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
A.![]() |
B.![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次