I think i got what i need to complete the assignment. Initially I don't know what the force at B D C are, but knowthnx to your reply ^^ now i can find moment A with the force from joint B, D, C. Thnx
Homework Statement
A 4000lb uniformly weighted crate is attached by light inextensible cables to the trus show below. Simply determine the reaction at A and E of the truss show below
Figure 1 attachment
Homework Equations
I used the Moment arm equation of M = F*Distance
The Attempt...