physics

Two cables suspend a 500 N sign above the hallway. The left cable makes a 40 degree angle with the ceiling and the right cable makes a 50 degree angle with the ceiling. What is the tension in the left and right cables?

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asked by Marina
  1. The tension is such that it holds the signs up, and the cable is in equilibrium.

    first of all, the weight:

    500=T*sin40+T*sin50

    solve for T

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  2. 345.9

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