With the development of technology and the increasing emphasis on health and fitness,the needs and challenges of sports equipment design are increasing.This article discusses the basic principles of dynamics,such as Newton's laws of motion,conservation of momentum,and conservation of energy,and how these principles can be applied to the design and optimization of sports equipment.A comprehensive understanding of the application of dynamics in sports equipment design is achieved,emphasizing its critical role in optimizing equipment performance,ensuring safety,and enhancing user experience.