3) Determine the shear and moment in the beam as a function of x, where 3m

please try one more time in SFD 30 should be (+) that means up not down

Problem 2: For a given force F=100 kips and a given point C, draw the 1st line and the 2nd line and indicate the two with the clear labs, show the arm or distance and determine the magnitude of the arm, and calculate the magnitude of the moment of the force about A. The distance between the point A and point B, AB=10 ft. The distance between the point B and point C , BC=10 ft and the angle between the force and line BC is 60º. B

How do  solve this. The answer is Fr=380N, F1=57.8N. "If the resultant force acting on the bracket is required to be a minimum, determine the magnitude of F1 and the resultant force. phi = 30 degrees"