Some examples of the application of moments are: Placing the door handle far away from the hinge means less force is needed to open a door. It is easier to loosen a nut with a long spanner than a ...

The forces acting on the teeth are identical for both gears, but their moments are different: If the driven gear is made larger is will rotate more slowly but with a greater moment. For example ...

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 ...