$4/50$ Determine the force in member $BF$ of the loaded truss, repeated here from Prob. $4/25.4/50$ Determine the force in member $BF$ of the loaded truss, repeated here from Prob. $4/25.$

$1$

H

Problem $\frac{4}{50}$

$L$

Problem $4/50$

A free body diagram, ESPECIALLY an explanation of the tension direction would be very much appreciated! Having a hard time $1.$ coming up with the diagram $2.$ understanding how the tensions play a role$//$ their direction $//$ are there multiple tensions $?$ etc.

answer is: BF $=1\mathrm{.}225$L C

Many thanks $<mn>3</mn>$