# What Are Concurrent Forces in Physics?

In physics, concurrent forces are defined as forces that pass through a common point. In other words, a concurrent force system is a set of two or more forces whose lines of action intersect at a point at the same time. Similarly, non-concurrent forces are forces whose lines of action never intersect with each other, meaning that they don't have a common passing point.

The concept of concurrent and non-concurrent forces are used to study the effect of various forces on an object and whether or not an object would be in a state of equilibrium when a specific set forces is applied on that object.

In order for an object to be in a state of equilibrium, the forces acting on the body must satisfy the force equilibrium equations. This means that the summation of the components of forces in the x-direction, y-direction and z-direction must all be equal to zero. For a number of forces acting upon an object, failure to satisfy these equations produces momentum within that object and throws it out of its equilibrium state. Generally, these equations are used for investigation of structural components such as of beams and trusses and can mathematically predict whether a structure is able to maintain its state of equilibrium under specific conditions.

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