Equilibrium: You know that when a body is supported at its centre of gravity, it shows no tendency to turn or rotate and hence the body can be said to be in a state of equilibrium. The term equilibrium has, however, a wider meaning and this is used even for a body in uniform motion if two or more forces acting on it do not affect its state. Thus, a body is in a state of equilibrium when two or more than two forces acting on it do not change its state of rest or of uniform motion. Equilibrium is, … Continue reading Equilibrium and its State