A mobile at the art museum has a 20 kg steel cat and a 40, Ask an Expert

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A mobile at the art museum has a 2.0 kg steel cat and a 4.0 kg steel dog suspended from a lightweight cable, as shown in the figure (Figure 1) . It is found that? 1 = 27? When the center rope is adjusted to be perfectly horizontal

What is the angle of rope 3?

What is the tension in the rope 3?

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