Engineering Mechanics: Statics

active forces algebraic sum angle angle of friction assume axis beam cable center of gravity centroid components compression conclude concurrent forces conditions of equilibrium coordinate axes curve Determine the forces direction distributed force equal to zero force Q forces acting forces applied forces F1 forces in space forces with respect free body funicular polygon given forces gravity force Hence hinged bars inclined plane intersection length line of action load diagram magnitude Neglecting friction obtain parallel forces parallelogram of forces particle perpendicular point of application polygon of forces portion projections pulley R₁ radius reaction Ra represented respect to point resultant couple resultant force rigid body rotation shown in Fig simple truss Solution space frame statically indeterminate string system of forces tensile force three bars three forces tion triangle of forces vector vertical load virtual displacement weight Q Ус