Find the magnitude of the force that the elbow joint exerts on the forearm.

231. cos 44 + y compoent of the force = 132.5

y compoent of the force = - 39.17 N

x compoent of the force = 231. sin 44 = 160.46

Resultant = √ [ 39.17 ^2 ^2 + 160.46^2] = 165.17 N

Angle = arc tan 39.17 / 160.46

13.71°