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OpenStudy (anonymous):
A street lamp weighs 156 N. It is supported equally by two wires that form an angle of 110◦ with each other. What is the tension of each of these wires?
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OpenStudy (anonymous):
The vertical component of the tension on each wire has to be equal to half of the weight of the street lamp. all you need to do is to draw out a quick picture to identify your triangles, and use some quick trigonometry!
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