A farmed painting weighs 30kg. The two wires supporting it makes an angle of 120° with each other. What are the tensions in the wire?
2Tcos60°=mg→T=mg2cos60°=30⋅9.82cos60°=294 (N)2T\cos60°=mg\to T=\frac{mg}{2\cos60°}=\frac{30\cdot 9.8}{2\cos60°}=294\ (N)2Tcos60°=mg→T=2cos60°mg=2cos60°30⋅9.8=294 (N) . Answer
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