Mistake Master · AP Physics C · Unit 2 · Topic 2.3 · Step-Through Animation
The Pair That Never Shares a Diagram
A horse pulls a cart; the cart pulls back exactly as hard. If that were a tug-of-war, nothing would ever move. Learn the on–by naming convention that makes every third-law partner mechanical — and keeps it off the wrong diagram.
THIRD-LAW LAB
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