Solution of task 1.2.7 from the collection of Kepe OE

Solution of task 1.2.7 from the collection of Kepe OE

1.2.7
Two weightless rods AC and BC are connected at point C and pivotally attached to the floor.
To the hinge C is suspended cargo 1. Determine the reaction of the rod BC, if the force in the rod AC
Is equal to 43Н, angles? = 60о,? = 30о. (Answer -24.8)