In this diagram there are two forces, which, when added together give a resultant force of 30 newtons (N). Resultant force = 20 N + 10 N. Resultant force = 30 N to the right. 2.

Application of mechanics to the study of static equilibrium of rigid and elastic bodies. Topics includes composition and resolution of forces; moments and couples; equivalent force systems; free-body ...

Multiple forces act on an object at the same time. Find out more with BBC Bitesize. For students between the ages of 11 and 14.