Free body diagrams do not need to be drawn to scale ... Because these forces are equal and opposite, there is no resultant force and so the body remains at rest. Three forces do not have to ...

This precious and, most importantly, free site has saved me more times than I can count with parts and component diagrams ...

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 ...