Refer to the figure, what is the vertical component of the reaction at pin B in KN? 0.75 kN/m 1.2 1.4 1.8 2.0 1.5 m 12 kN D 1.5 m 2.5 m B 1.5 m C 4 kN Transcribed Image Text:7 Refer to the figure, what is the vertical component of the reaction at pin B in KN? 0.75 kN/m 1.2 O 1.4 1.8 O 2.0 1.5 m 2 kN D 1.5 m 2.5 m B 1.5 m 4...