A force system refers to a collection of forces acting on a body or object. These forces can be categorized into two main types: concurrent forces, which act at a single point, and non-concurrent forces, which act at different points. Understanding how these forces interact is essential in fields like mechanics and engineering. In analyzing force systems, it is crucial to consider their resultant force, which is the vector sum of all individual forces. This resultant determines the overall effect on the object, influencing its motion or equilibrium. Proper analysis helps in designing structures and machines that can withstand applied forces effectively.