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What is the change in an object's motion?

Answer:
The change in an object's motion, is simply force.
The object cannot change motion unless acted upon by an outside force. For example: If I throw a baseball, it will never stop unless acted upon by gravity (or the outside force). Or the outside force could be it smacking into a wall or your friends head.
First answer by ID1252009445. Last edit by ID1252009445. Question popularity: 3 [recommend question].