abellkm6890 abellkm6890

01-02-2020
Physics

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A street lamp weighs 200 newtons and is supported equally by two wires that form an angle of 120° with each other. What is the tensional force in each of these wires?

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ohiekulous ohiekulous

01-02-2020

Answer:

The tensional force on each of the wires us 115 N

Explanation:

Sori i cant sketch diagram bcoz of my phone

then use sine rule

200/sin120 = T1/sin30 = T2/sin30

T1 = T2 = (200×sin30)/sin120

T1 = T2 = 115 N

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