Statics: Exam 2 Review Problem 1; Equivalent Systems

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[georgesadler]

Professor Hanson, thank you for analyzing and Reviewing Equivalent Systems in old fashion mechanics one.

[jam]

Is this solvable using traditional coordinate system or do you have to re-define your coordinate system for less unknowns at the end?

[jasaucedo]

When doing the sum of the moments isn't B = 200# a cha-cha force?

[kylejohnson]

Before he drew the dotted line passing through OA, how could we have known that the 70# force and the 150# force were perpendicular?

[brucelee]

isn't B in the line of action? so it was pointless to find moment around O with the components of B