Two forces, 3 newtons (N) and 2 N, act to the right. Calculate the resultant force. When two forces that act in opposite directions it is often easiest to subtract the magnitude of the smaller ...

The free-body diagram method is emphasized. Topics include vector algebra, force, moment of force, couples, static equilibrium of rigid bodies, trusses, friction, properties of areas, shear and moment ...

Free body diagrams close free body diagramA simplified drawing of an object or system showing the forces acting on it. The forces are shown acting away from the centre of a box or dot. are used to ...