$!$

Required information

Problem $06\mathrm{.}055-$ A Pratt roof truss

Consider the given figure.

Problem $06\mathrm{.}055.$b $-$ The forces in members

A Pratt roof truss is loaded as shown. Determine the force in members $CE,DE,$ and $DF$ when $P=9\mathrm{.}00kN$ and $Q=18kN.$

The force in members CE $$ kN $$

The force in members $DE$ kN $$ Compression

The force in members $DF$ kN Compression

$$