A 50 kg sign is hanging from the ceiling .calculate the tension in the ropes?30 degree and 20 degree

3 answers

how are the ropes attached, and how is the angle measured?
It's either T1cos30 + T2cos20 = mg
and T1sin30 = T2sin20

or

T1sin30 + T2sin20 = mg
and T1cos30 = T2cos20

depending on the where the angle is.
Either way you'll have to solve the second set for one variable and substitute it into the first.
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