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RESULTANTS OF FORCE SYSTEMS
EQUILIBRIUM OF FORCE SYSTEMS
3 other sections not shown
70-lb force action line algebraic sum angle area in Fig belt block body cable centroid clockwise coefficient of friction collinear forces completely the resultant concurrent forces coplanar force system Determine completely Determine the reactions Determine the resultant Determine the stresses drum equal equations of equilibrium Example external effect force F force in Fig force polygon force shown force system shown force with respect free-body diagram frictional force ft-lb impending motion in-lb independent equations intersect joint lb Fig line of action load members BD moments of inertia Neglect the weight normal force parallelogram law pin reaction point of concurrence pressure diagram principle of moments PROBLEMS pulley radius of gyration rectangular components respect to point resultant force shaded area shown shown in Fig Solution static friction stresses in members system in Fig system of forces theorems of Pappus truss in Fig vector vertical components weighs 100 lb zero