PS2B - Types of Interactions

Next Generation Science Standards Physical Science Disciplinary Core Idea 2B:  Types of Interactions

Paul Andersen explains how objects interact when touching and at a distance. Electromagnetic forces are very important when objects are touching and fields explain both electromagnetic and gravitational forces. The strong and weak nuclear forces can result in radioactive decay. A brief description of Newton's Law of Universal Gravitation and Coulomb's Law are includes.

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