题目内容
下列图象中,表示物体做匀速直线运动的是![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241543152251688.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241543153341774.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241543157401758.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241543158331663.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241543152251688.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241543153341774.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241543157401758.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241543158331663.jpg)
C
试题分析:匀速直线运动位移的图象是倾斜的直线,速度图象是平行于横轴的图线.选择符合题意的图象.
A、表示物体沿正方向做匀减速直线运动,不符合题意.故A错误.
B、物体做匀加速直线运动,不符合题意.故B错误.
C、位移的图象是倾斜的直线,表示物体沿正方向做匀速直线运动,符合题意.故C错误.
D、物体的位移不变,物体静止,不符合题意.故D错误.
故选C。
点评:对于物理图象,首先要在理解的基础上记住图线的形状,其次抓住图象的数学意义来理解其物理意义.
![](http://thumb2018.1010pic.com/images/loading.gif)
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