The cantilevered jib crane is used to support the load of 780 lb. If x = 5

Question:

The cantilevered jib crane is used to support the load of 780 lb. If x = 5 ft, determine the reactions at the supports. Note that the supports are collars that allow the crane to rotate freely about the vertical axis.The collar at B supports a force in the vertical direction, whereas the one at A does not.

8 ft B T 4 ft x- 780 lb A