What is the definition of a pull force?

A pull force is defined as a force that draws an object closer to oneself. This concept is fundamental in understanding how forces interact with objects in our environment. When you exert a pull force on an object, you are causing it to accelerate towards you, which illustrates the nature of interactions between different bodies. For instance, when you tug on a rope or pull a drawer towards you, you are applying a pull force that effectively changes the position of the object in relation to yourself.

In contrast, the other options do not accurately describe the nature of a pull force. For example, a force that stops an object from moving represents resistance or friction, not a pulling action. Additionally, a force that moves an object away refers to a push force, which acts in the opposite direction to a pull force. Finally, a force that only works on objects in motion misconstrues the nature of forces because a pull can act on stationary objects as well, as long as there is a mechanism (like a person or mechanical device) applying that force.

Understanding these dynamics is critical, especially when analyzing how different forces, including pull and push, work together to affect motion and interaction between objects.