大师作文网一道英文物理题A 11.0m uniform beam is hinged to a vertical wal
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一道英文物理题
A 11.0m uniform beam is hinged to a vertical wall and held horizontally by a 5.00m cable attached to the wall 4.00mabove the hinge,as shown in the figure below (Figure 1) .The metal of this cable has a test strength of 0.800kN ,which means that it will break if the tension in it exceeds that amount.
Find the vertical component of the force the hinge exerts on the beam
A 11.0m uniform beam is hinged to a vertical wall and held horizontally by a 5.00m cable attached to the wall 4.00mabove the hinge,as shown in the figure below (Figure 1) .The metal of this cable has a test strength of 0.800kN ,which means that it will break if the tension in it exceeds that amount.
Find the vertical component of the force the hinge exerts on the beam
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
再问： 你只求了水平，没求竖直啊？而且，水平的支持力应该是800*cos（53）=480N吧。
再答： 对，有误
找到垂直分量的铰链梁上施加的力
再问： 你只求了水平，没求竖直啊？而且，水平的支持力应该是800*cos（53）=480N吧。
再答： 对，有误
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