Chapter 9 Linear Momentum and 9-1 Momentum and Its relation to Force P200-201 1. momentum(动量) Momentum of an object is defined as the product of its mass and its velocity Momentum is presented by the symbol p 动量 p= noChapter 9 Linear Momentum and Collisions 9-1 Momentum and Its Relation to Force P200-201 1. momentum（动量） Momentum of an object is defined as the product of its mass and its velocity. Momentum is presented by the symbol P .  动量 v   p = m