A block with 500g is hanging from the ceiling.There is also a string that is pulling the block towards one wall forcing the string that is attached to the block and ceiling to from an angle 70 degree withe respect to the ceiling.what is the tension in both strings?
A block with 500g is hanging from the ceiling.There is also
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解决时间 2021-08-15 18:39
- 提问者网友：欺烟
- 2021-08-15 00:27
最佳答案
- 五星知识达人网友：詩光轨車
- 2021-08-15 00:38
中文我就不翻译了.
简单的静力学：
T1 = mg/sin70 = 0.5*9.8/0.94 = 5.2N
T2 = mg ctg70 = 0.5*9.8*0.364 =1.78N
其中T1是挂在房顶的那个.
T2是横向拉的那个
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