<p>I know it has to do with torque but I can't solve this problem
A shop sign weighing 235 N is supported by a uniform 145 N beam of length 1.7 m. The guy wire is connected 1.35 m from the backboard.
a. Find the tension in the guy wire. The guy wire forms an angel of 35º with the beam.
b. Find the horizontal and verticle forces exerted by the hinge on the beam.</p>