Question

Find an expression for T1, the tension in cable 1, that does not depend on T2.

A chandelier with mass is attached to the ceiling of a large concert hall by two cables. Because the ceiling is covered with intricate architectural decorations (notindicated in the figure, which uses a humbler depiction), the workers who hung the chandelier couldn't attach the cables to the ceiling directly above the chandelier.Instead, they attached the cables to the ceiling near the walls. Cable 1 has tension and makes an angle of with the ceiling. Cable 2 has tension and makes an angle ofwith the ceiling.

Find an expression for T1, the tension in cable 1, that does not depend on T2.
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Answer #1

In vertical direction,

T1sinθ1+T2sinθ2=mg

And in the horizontal direction,

T1cosθ1=T2cosθ2

Solving both the equations and solving for T1 and T2

T1=m*g*cos(θ2)/sin(θ12)
T2=m*g*cos(θ1)/sin(θ12)

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