A sign (m = 10 kg) has one end affixed to the exterior wall by a freely rotating hinge. The other end of the sign is supported by a steel cable that...

A sign (m = 10 kg) has one end affixed to the exterior wall by a freely rotating hinge. The other end of the sign is supported by a steel cable that makes a 60o angle with the top of the sign.

(a) What is the tension in the steel cable?

(b) What are the components and the magnitude of the hinge force?