Physics 251 · Opening

Newton’s laws of motion

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Newton’s cradle, one ball lifted, on a dark wooden desk

Chapters 5 and 6

A force changes motion. It does not have to keep it.

Kinematics

Describes motion

Dynamics

Explains motion with forces

Hold this

Net force changes motion. It does not merely sustain it.

Physics 251

Newton’s laws

Chapters 5 and 6, narrated. Press play and let it run, or jump by chapter.