237 Finding the resultant of parallel forces acting on both sides of the rocker arm

Problem 237
Determine the resultant of the four parallel forces acting on the rocker arm of Fig. P-237.
 

Parallel forces acting on the rocker arm

 

Solution 237

 
Mimi 20

how'd you came to the direction of " 4ft. to the RIGHT of O.?"
will the answer be LEFT if the direction's sign is negative ???

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