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Chapter 4 Forces and Newton’s Laws of Motion 47 Chapter 4 FORCES AND NEWTON’S LAWS OF MOTION PREVIEW Dynamics is the study of the causes of motion, in particular, forces.…
12.1 Magnetic Forces and Fields What is a magnetic field? http://education-portal.com/academy/lesson/what-is-a-magnetic-field.html https://www.youtube.com/watch?v=hFAOXdXZ5TM…