In this chapter, we introduce the concepts of linear momentum and of center of mass. Momentum is a quantity that, like energy, can be defined from Newton’s Second Law, to facilitate building models. S...In this chapter, we introduce the concepts of linear momentum and of center of mass. Momentum is a quantity that, like energy, can be defined from Newton’s Second Law, to facilitate building models. Since momentum is often a conserved quantity within a system, it can make calculations much easier than using forces.
