Effects Of Force On An Object A push or a pull acting on an object is called force. The SI unit of force is newton (N). We use force to perform various activities. In common usage, the idea of a force is a push or a pull. Figure shows a teenage boy applying a force to push a ball and a young boy applying a force to pull a kite. The action of a force can … [Read more...] about What Are The Effects Of Force On An Object