A Common Misconception about Newton's Thrid Law Force Pairs (or Action-Reaction Pairs)

The video extends the concept of Newton's third law and force pairs, suggesting viewers watch a previous video for better understanding. It explains the forces acting on a book using a free body diagram, highlighting that the normal force and gravity are equal in magnitude but opposite in direction. However, these forces do not form a Newton's third law pair as they act on the same object. The video provides examples of true Newton's third law pairs, where forces act on different objects, such as the book and the table or the book and the earth. The video concludes with a thank you to the audience.

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