please solve this project in a clear way with detail because i have to preform a presentation after ward $.$

Part $1$:

Set up a study about types of trusses and their importance and applications.

Part $2$

$-$A Pratt roof truss is loaded as shown.

$-$Perform a design and structural analysis for the forces acting on the

members of the truss shown in the figure below using the method of joints and the method of sections.

$-$Show the detailed calculations and computation of the estimated load.

$-$Make a critical comparison between the two methods.

three digits for the force p is : $(485)$