Statics.

1. The problem statement, all variables and given/known data

The figure shows a frame with a 100N object hanging on it. Determine the magnitude and direction of forces exerted on AB and BC respectively.

2. Relevant equations

∑Fx=0, ∑Fy=0, ∑M=0

3. The attempt at a solution

I believe this question is unsolvable. The free body diagram of the frame is as follows:

There are 4 unknowns in the diagram but we can only write down 3 equations. Hence, there is no way we can solve this problem.

Is my reasoning correct?

http://ift.tt/PeXfts

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