yes it is important because by knowing the steps of the scientific method, you can better understand the process researchers go through to arrive at conclusions about human behavior.
Contact forces: are those types of forces when two objects interact with each other. They have a physical contact with each other. Types of Contact forces are:Frictional force; Tension force; Normal Force; Air Resistance Force, Applied Force, Spring Force.Action at a distance forces: These types of forces happen when two interactive objects are not in physical contact with each other; yet they are able to push or pull. Types of Action at a distance forces are: Gravitational force, Electrical force and Magnetic forces.