Board AB is fixed to the wall through 6 screws as described in the drawing. Beams CD and DE are connected to the board by joints at points C, D, E. At point D acts a vertical force of 7500 [N].
A) The reaction forces at joints C, E.
B) Describe the external forces acting the beams CD, ED, on board AB.
C) Calculate the screws measurements for fastening the board.
The Attempt at a Solution
I left clause C out, wondering if so far so good
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