11.0 m 均匀梁铰接到垂直墙和持有水平5.00米电缆连接到墙上4.00 mabove铰链,如下图所示(图1).这个电缆的金属测试0.800 kN的力量,这意味着它将打破如果超过这一数额的紧张局势.
找到垂直分量的铰链梁上施加的力
一道英文物理题A 11.0m uniform beam is hinged to a vertical wal
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