Net force is the sum of all the forces acting on an object. A force has both a strength and a direction. Each force acts on one particular object. Concepts CoveredĪ force is a push or a pull on an object. Scroll down for a preview of this learning objective’s games and the concepts. Forces and Motion learning objective - based on NGSS and state standards - delivers improved student engagement and academic performance in your classroom, as demonstrated by research. In this series of games, your students will learn that each force acts on one particular object and has both strength and a direction.