F2 10,000# HW Prob 12 WHI 30ft F1 = Uniform load of 500#/LF RA RB 50000# dpon RA RB FBD of Moments around Rb Step 1: Draw the forces (and their distance from Rb) that create a moment around Rb in the FBD above Step 2: To Solve for RAy, sum moments about RB: CW Moment = CCW Moment CW Moment (+) Mag CCW Moment (-) Dist. Moment Force Mag Moment Force Dist. Sum CWM: Sum CCWM: RA RB FBD of Moments around Ra Step 3: Draw the forces (and their distances from Ra) that create a moment around Ra in the FBD Step 4: To Solve for RBy, sum moments about RA: CW Moment CCW Moment CW Moment (+) Mag CCW Moment (-) Dist. Moment Force Mag Moment Force Dis. Sum CCWM: Sum CWM:

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