Solution of task 5.6.7 from the collection of Kepe OE

Solution of task 5.6.7 from the collection of Kepe OE

5.6.7
The homogeneous square frame OABS with side a = 0.5 m and weight G = 140 N under the influence of superimposed bonds is held in a horizontal position. Write the equation of the moments of forces relative to the OB line and determine the reaction ZA of the hinge A if the angle α = 60 °.