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(Solved): Calculate the force in each member of the truss illustrated as well as the reaction forces of the ...
Calculate the force in each member of the truss illustrated as well as the reaction forces of the pin at \( C \) and the roller at \( A \). b) Add an additional \( 100 \mathrm{~N} \) force to the pin at \( D \) in the vertical direction pointing downward and recalculate the forces in the members. What changes?
Expert Answer
Solution: (a) Free body diagram of each joints and the body is drawn initially. Assume each member is in tension. Consider triangle BCD: BC = 3 m CD = 4 m Then Free body diagram of the body Sum of all forces in the horizontal direction must be equal