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Next: Newton's First Law Up: Main physics index Previous: Force


In this section we introduce the concept of force. We discuss Newton's laws, which describe the way a body responds to a net force. We discuss frictional forces and the way they can be mathematically represented. We study several applications of Newton's laws.

Idea: Force is the cause of motion in classical mechanics. Classical mechanics deals with systems of size $\gg$ 10- 10 m (atomic dimensions) and velocity $\ll$ 3.0 x 108 m/s (the speed of light).