题目内容
某人站在以加速度大小
2
匀减速上升的升降机中,最多可举起重力为800N的重物,则此人若站在地面上,最多可举起质量为( )的重物.(g=10
)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824123453598302.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824123453629505.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824123453629505.png)
A.100Kg | B.64Kg | C.60Kg | D.96Kg |
B
本题考查超重与失重。由题意,
,
,在地面上能举起64Kg的物体,选B。
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824123453660602.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824123453691899.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
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题目内容
A.100Kg | B.64Kg | C.60Kg | D.96Kg |