- #1
sharp12
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Homework Statement
Pin C joins members ABC and CDE
Homework Equations
Sum of moments at a point = 0
Sum of vertical forces = 0
Sum of horizontal forces = 0
Weight of triangle acts as a force at its centroid (1/3) its length according to this figure.
The Attempt at a Solution
See pictures.
I get 2 equations with 3 unknowns.
10By + 22.5Dy = 77500
Ay + By + Dy = 7500
Any advice what to do next?