Problem$4$:

Determine all reaction forces and member forces in the truss shown. Use the Method of Joints, Forces are measure

Problem$4$:

Determine all reaction forces and member forces in the truss shown. Use the Method of Joints, FLorces are measured in Dounds $($lbounds $($lb$).$

Problem$3$:

Calculate the mass that must be supported at point A and the angle $$ required to maintain static equilibrium for a system where another $40kg$ mass is suspended directly and a $30kg$ mass is suspended at an angle.