题目内容
如图所示,质量分别为
和
的两物块放在水平地面上,与水平地面间的动摩擦因数都是
(
≠O),用轻弹簧将两物块连接在一起.当用水平力
作用在
上时,两物块均以加速度
做匀加速运动,此时,弹簧伸长量为
。若用水平力
作用在
上时,两物块均以加速度
做匀加速运动,此时,弹簧伸长量为
.则下列关系正确的是
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241213537712467.jpg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353537219.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353552325.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353568204.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353568204.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353599200.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353537219.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353630190.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353646188.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353662213.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353537219.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353693259.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824121353708196.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241213537712467.jpg)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
D
略
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |