Answer to Question #160337 in Electricity and Magnetism for Marlyn

Question

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?

Answer 1

$2T\cos60°=mg\to T=\frac{mg}{2\cos60°}=\frac{30\cdot 9.8}{2\cos60°}=294\ (N)$ . Answer