如图,用两条绳提起一个物体处于平衡状态,此时每条绳用力5N,且两条绳的夹角是120°,则物体G的重量是____ N.
![](https://img.xkw.com/dksih/QBM/2016/11/29/1836136185847808/1826269012484096/STEM/5ead05d7-f72d-4860-88a7-15ff20a27635.png?resizew=227)
2016高一·全国·课后作业 查看更多[2]
更新时间:2017-11-27 15:36:43
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【推荐1】三个大小相同的力
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解题方法
【推荐2】在体育课上,同学们经常要在单杠上做引体向上运动(如图),假设某同学所受重力为
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