A crow sits on a clothesline midway between two poles as shown. Each end of the rope makes an angle of θ = 28° below the horizontal where it connects to the pole. If the combined weight of the crow and the rope is 11.1 N, what is the tension in the rope?

Answer 1

sum vertical forces: PLeft+Poleright-11.1N=0

So, looking at the left pole, of the pole is holding upwards 11.1N/2, then tension=11.2/(2sin28)

Answer 2

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