Elevation Scale: $16$ FT$.$ Find FT$.0102030405$ Bay Span Here we are given a bridge with: $-5$ spans $=100$ ft$.-$ Maximum force in rod $=9,600$lbs Direction of rod segment ad $-$Direction and forces in rods ab$,$ ac$,$ as$,$ af $2,800$ lb $7\mathrm{.}7$ A $502,80060$ D $70$ Force Polygon Scale: $12800$ lbs $2,800$ b ta $2\mathrm{.}800$ lb Typical Section Scale: $1=16$ ft$.$ Worksheet$-1$A