Presentation on theme: "Lesson 1 – The Nature of Force"— Presentation transcript:
1 Lesson 1 – The Nature of Force Chapter 2 - ForcesLesson 1 – The Nature of Force
2 What is Force?Like velocity and acceleration, a force is described by its strength and by the direction in which it acts.The strength of a force is measured in the SI unit called the Newton (N).This unit of measurement was named after the English scientist and mathematician Issac Newton.
3 Unbalanced vs. Balanced Forces Unbalanced forces acting on an object result n a net force and cause a change in the object’s motion.Balanced forces acting on an object do not changes the object’s motion.