题目内容
如图,在光滑水平面上有一质量为m1的足够长的木板,其上叠放一质量为m2的木块。假定木块和木板之间的最大静摩擦力和滑动摩擦力相等。现给木块施加一随时间t增大的水平力F=kt(k是常数),木板和木块加速度的大小分别为a1和a2,下列反映a1和a2变化的图线中正确的是
![](http://thumb.1010pic.com/pic1/upload/papers/g04/20110907/201109071330061471630.gif)
[ ]
A.![](http://thumb.1010pic.com/pic1/upload/papers/g04/20110907/201109071330061621400.gif)
![](http://thumb.1010pic.com/pic1/upload/papers/g04/20110907/201109071330061621400.gif)
B.![](http://thumb.1010pic.com/pic1/upload/papers/g04/20110907/201109071330061931368.gif)
![](http://thumb.1010pic.com/pic1/upload/papers/g04/20110907/201109071330061931368.gif)
C.![](http://thumb.1010pic.com/pic1/upload/papers/g04/20110907/201109071330061931387.gif)
![](http://thumb.1010pic.com/pic1/upload/papers/g04/20110907/201109071330061931387.gif)
D.![](http://thumb.1010pic.com/pic1/upload/papers/g04/20110907/201109071330062091299.gif)
![](http://thumb.1010pic.com/pic1/upload/papers/g04/20110907/201109071330062091299.gif)
A
![](http://thumb2018.1010pic.com/images/loading.gif)
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